File as GitHub Issue repo: MCreator/MCreator

Push this scan report to `MCreator/MCreator`

Click the green button below to open GitHub’s new-issue form, pre-filled with the report title, summary table, top findings, and an embedded score-card image. No authentication needed — you review on GitHub before submitting. Repobility is credited as the scanner.

Embedded score card image

This image will render at the top of the issue body. Hosted on Repobility, refreshes automatically after re-scans.

Issue title

Server-Side Request Forgery (SSRF) — outbound HTTP from user input

Curate findings to include

Pick exactly which findings appear in the issue body. By default the top 5 are included. Uncheck noise, check what matters.

Top 5 (default)

Severity	Rule	Title	File:line
CRIT	`SEC101`	[SEC101] Unsafe Java object deserialization (ObjectInputStream): Java ObjectInputStream d…	`src/main/java/net/mcreator/util/SingleA…:68`
HIGH	`SEC106`	[SEC106] Block cipher in ECB mode (AES/DES/Blowfish): ECB mode leaks block-level structur…	`src/main/java/net/mcreator/util/Encrypt…:29`
HIGH	`MINED004`	[MINED004] Weak Crypto: MD5/SHA1/DES/RC4 used for security context (not just checksums).	`src/main/java/net/mcreator/ui/views/edi…:108`
HIGH	`SEC029`	[SEC029] Server-Side Request Forgery (SSRF) — outbound HTTP from user input: Outbound HTT…	`src/main/java/net/mcreator/io/net/api/I…:59`
HIGH	`SEC029`	[SEC029] Server-Side Request Forgery (SSRF) — outbound HTTP from user input: Outbound HTT…	`src/main/java/net/mcreator/io/net/analy…:81`
HIGH	`SEC029`	[SEC029] Server-Side Request Forgery (SSRF) — outbound HTTP from user input: Outbound HTT…	`src/main/java/net/mcreator/io/net/WebIO…:63`
HIGH	`SEC085`	[SEC085] JS: child_process.exec with non-literal: child_process.exec with user-derived in…	`src/main/java/net/mcreator/ui/action/im…:90`
HIGH	`SEC085`	[SEC085] JS: child_process.exec with non-literal: child_process.exec with user-derived in…	`src/main/java/net/mcreator/minecraft/Be…:116`
HIGH	`SEC085`	[SEC085] JS: child_process.exec with non-literal: child_process.exec with user-derived in…	`src/main/java/net/mcreator/io/WindowsPr…:40`
HIGH	`SEC128`	[SEC128] Async function without await — fire-and-forget Promise (AI mistake): Async call …	`src/main/java/net/mcreator/gradle/Gradl…:74`
HIGH	`SEC128`	[SEC128] Async function without await — fire-and-forget Promise (AI mistake): Async call …	`src/main/java/net/mcreator/generator/se…:86`
HIGH	`SEC128`	[SEC128] Async function without await — fire-and-forget Promise (AI mistake): Async call …	`src/main/java/net/mcreator/generator/io…:39`
HIGH	`SEC024`	[SEC024] XML External Entity (XXE) — Java parser default: Java XML parsers accept externa…	`src/main/java/net/mcreator/blockly/data…:61`
HIGH	`SEC024`	[SEC024] XML External Entity (XXE) — Java parser default: Java XML parsers accept externa…	`src/main/java/net/mcreator/blockly/data…:60`
HIGH	`SEC024`	[SEC024] XML External Entity (XXE) — Java parser default: Java XML parsers accept externa…	`src/main/java/net/mcreator/blockly/Bloc…:44`
HIGH	`MINED134`	[MINED134] Binary file `plugins/generator-26.1.x/neoforge-26.1.2/workspacebase/gradle/wra…	`plugins/generator-26.1.x/neoforge-26.1.…:1`
HIGH	`MINED134`	[MINED134] Binary file `plugins/generator-26.1.x/resourcepack-26.1.x/workspacebase/gradle…	`plugins/generator-26.1.x/resourcepack-2…:1`
HIGH	`MINED134`	[MINED134] Binary file `plugins/generator-26.1.x/datapack-26.1.x/workspacebase/gradle/wra…	`plugins/generator-26.1.x/datapack-26.1.…:1`
HIGH	`MINED134`	[MINED134] Binary file `plugins/generator-addon-26.1x/addon-26.1x/workspacebase/gradle/wr…	`plugins/generator-addon-26.1x/addon-26.…:1`
HIGH	`MINED134`	[MINED134] Binary file `plugins/generator-1.21.1/resourcepack-1.21.1/workspacebase/gradle…	`plugins/generator-1.21.1/resourcepack-1…:1`
HIGH	`MINED134`	[MINED134] Binary file `plugins/generator-1.21.1/neoforge-1.21.1/workspacebase/gradle/wra…	`plugins/generator-1.21.1/neoforge-1.21.…:1`
HIGH	`MINED134`	[MINED134] Binary file `plugins/generator-1.21.1/datapack-1.21.1/workspacebase/gradle/wra…	`plugins/generator-1.21.1/datapack-1.21.…:1`
HIGH	`MINED134`	[MINED134] Binary file `gradle/wrapper/gradle-wrapper.jar` committed in source repo: `gra…	`gradle/wrapper/gradle-wrapper.jar:1`
HIGH	`MINED115`	[MINED115] Action `gradle/actions/dependency-submission` pinned to mutable ref `@v5`: `us…	`.github/workflows/dependency-submission…:26`
HIGH	`MINED115`	[MINED115] Action `actions/setup-java` pinned to mutable ref `@v5`: `uses: actions/setup-…	`.github/workflows/dependency-submission…:17`
HIGH	`MINED115`	[MINED115] Action `actions/checkout` pinned to mutable ref `@v6`: `uses: actions/checkout…	`.github/workflows/dependency-submission…:15`
HIGH	`MINED115`	[MINED115] Action `actions/checkout` pinned to mutable ref `@v6`: `uses: actions/checkout…	`.github/workflows/crowdin-pull.yml:12`
HIGH	`MINED115`	[MINED115] Action `actions/checkout` pinned to mutable ref `@v6`: `uses: actions/checkout…	`.github/workflows/crowdin-push.yml:13`
HIGH	`MINED115`	[MINED115] Action `gradle/actions/setup-gradle` pinned to mutable ref `@v5`: `uses: gradl…	`.github/workflows/documentation.yml:23`
HIGH	`MINED115`	[MINED115] Action `actions/setup-java` pinned to mutable ref `@v5`: `uses: actions/setup-…	`.github/workflows/documentation.yml:15`
HIGH	`MINED115`	[MINED115] Action `actions/checkout` pinned to mutable ref `@v6`: `uses: actions/checkout…	`.github/workflows/documentation.yml:12`
HIGH	`MINED115`	[MINED115] Action `actions/checkout` pinned to mutable ref `@v6`: `uses: actions/checkout…	`.github/workflows/deploy.yml:253`
HIGH	`MINED115`	[MINED115] Action `gradle/actions/setup-gradle` pinned to mutable ref `@v5`: `uses: gradl…	`.github/workflows/deploy.yml:194`
HIGH	`MINED115`	[MINED115] Action `actions/setup-java` pinned to mutable ref `@v5`: `uses: actions/setup-…	`.github/workflows/deploy.yml:186`
HIGH	`MINED115`	[MINED115] Action `actions/checkout` pinned to mutable ref `@v6`: `uses: actions/checkout…	`.github/workflows/deploy.yml:184`
HIGH	`MINED115`	[MINED115] Action `gradle/actions/setup-gradle` pinned to mutable ref `@v5`: `uses: gradl…	`.github/workflows/deploy.yml:128`
HIGH	`MINED115`	[MINED115] Action `actions/setup-java` pinned to mutable ref `@v5`: `uses: actions/setup-…	`.github/workflows/deploy.yml:120`
HIGH	`MINED115`	[MINED115] Action `actions/checkout` pinned to mutable ref `@v6`: `uses: actions/checkout…	`.github/workflows/deploy.yml:118`
HIGH	`MINED115`	[MINED115] Action `gradle/actions/setup-gradle` pinned to mutable ref `@v5`: `uses: gradl…	`.github/workflows/deploy.yml:82`
HIGH	`MINED115`	[MINED115] Action `actions/setup-java` pinned to mutable ref `@v5`: `uses: actions/setup-…	`.github/workflows/deploy.yml:74`
HIGH	`MINED115`	[MINED115] Action `actions/checkout` pinned to mutable ref `@v6`: `uses: actions/checkout…	`.github/workflows/deploy.yml:72`
HIGH	`MINED115`	[MINED115] Action `gradle/actions/setup-gradle` pinned to mutable ref `@v5`: `uses: gradl…	`.github/workflows/deploy.yml:44`
HIGH	`MINED115`	[MINED115] Action `actions/setup-java` pinned to mutable ref `@v5`: `uses: actions/setup-…	`.github/workflows/deploy.yml:36`
HIGH	`MINED115`	[MINED115] Action `actions/checkout` pinned to mutable ref `@v6`: `uses: actions/checkout…	`.github/workflows/deploy.yml:25`
HIGH	`MINED115`	[MINED115] Action `actions/cache` pinned to mutable ref `@v5`: `uses: actions/cache@v5` r…	`.github/workflows/test.yml:36`
HIGH	`MINED115`	[MINED115] Action `gradle/actions/setup-gradle` pinned to mutable ref `@v5`: `uses: gradl…	`.github/workflows/test.yml:34`
HIGH	`MINED115`	[MINED115] Action `actions/setup-java` pinned to mutable ref `@v5`: `uses: actions/setup-…	`.github/workflows/test.yml:26`
HIGH	`MINED115`	[MINED115] Action `actions/checkout` pinned to mutable ref `@v6`: `uses: actions/checkout…	`.github/workflows/test.yml:24`
MED	`SEC031`	[SEC031] Catastrophic Backtracking Regex (ReDoS): Regex contains nested quantifiers like …	`src/main/java/net/mcreator/workspace/se…:65`
MED	`SEC045`	[SEC045] eval()/exec() on stored or user-supplied data: eval() and exec() on data — even …	`src/main/java/net/mcreator/ui/action/im…:28`
MED	`SEC045`	[SEC045] eval()/exec() on stored or user-supplied data: eval() and exec() on data — even …	`src/main/java/net/mcreator/minecraft/Be…:64`
MED	`SEC045`	[SEC045] eval()/exec() on stored or user-supplied data: eval() and exec() on data — even …	`src/main/java/net/mcreator/io/WindowsPr…:40`
MED	`SEC115`	[SEC115] Decompression without size cap (zip/gzip bomb): Decompressing untrusted archives…	`src/main/java/net/mcreator/io/BinaryStr…:68`
MED	`SEC012`	[SEC012] ZipSlip — Archive Path Traversal: Archive extraction without path validation all…	`src/main/java/net/mcreator/java/ClassFi…:116`
MED	`SEC012`	[SEC012] ZipSlip — Archive Path Traversal: Archive extraction without path validation all…	`src/main/java/net/mcreator/io/zip/ZipIO…:72`
MED	`SEC012`	[SEC012] ZipSlip — Archive Path Traversal: Archive extraction without path validation all…	`src/main/java/net/mcreator/generator/ma…:89`
LOW	`SEC132`	[SEC132] String concat where the language has interpolation (AI style drift): String buil…	`src/main/java/net/mcreator/gradle/Gradl…:65`
LOW	`SEC132`	[SEC132] String concat where the language has interpolation (AI style drift): String buil…	`src/main/java/net/mcreator/element/ModE…:113`
LOW	`SEC132`	[SEC132] String concat where the language has interpolation (AI style drift): String buil…	`src/main/java/net/mcreator/blockly/data…:52`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/generator/se…:24`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/element/type…:117`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/element/type…:130`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/element/type…:196`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/element/conv…:16`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/element/conv…:36`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/element/conv…:40`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/element/conv…:33`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/element/conv…:30`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/element/conv…:96`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/blockly/java…:6`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/blockly/java…:14`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/blockly/java…:18`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/blockly/java…:14`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/blockly/java…:7`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/blockly/java…:7`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/blockly/java…:11`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/blockly/java…:11`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/blockly/java…:60`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/blockly/java…:25`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/blockly/java…:15`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/blockly/java…:9`
LOW	`AIC003`	Duplicated implementation block across source files	`src/main/java/net/mcreator/blockly/data…:31`
LOW	`AIC003`	Duplicated implementation block across source files	`plugins/mcreator-core/blockly/js/simple…:11`
LOW	`AIC003`	Duplicated implementation block across source files	`plugins/generator-26.1.x/resourcepack-2…:15`
LOW	`AIC003`	Duplicated implementation block across source files	`plugins/generator-26.1.x/datapack-26.1.…:15`
INFO	`MINED092`	[MINED092] Java Runtime Exec: Runtime.getRuntime().exec(cmd) with concat string args = co…	`src/main/java/net/mcreator/util/Desktop…:183`
INFO	`MINED092`	[MINED092] Java Runtime Exec: Runtime.getRuntime().exec(cmd) with concat string args = co…	`src/main/java/net/mcreator/minecraft/Be…:116`
INFO	`MINED092`	[MINED092] Java Runtime Exec: Runtime.getRuntime().exec(cmd) with concat string args = co…	`src/main/java/net/mcreator/io/WindowsPr…:40`
INFO	`MINED083`	[MINED083] Java Thread Start: Raw thread creation. Should use ExecutorService for managed…	`src/main/java/net/mcreator/io/net/api/M…:70`
INFO	`MINED083`	[MINED083] Java Thread Start: Raw thread creation. Should use ExecutorService for managed…	`src/main/java/net/mcreator/io/net/analy…:66`
INFO	`MINED083`	[MINED083] Java Thread Start: Raw thread creation. Should use ExecutorService for managed…	`src/main/java/net/mcreator/io/FileWatch…:70`
INFO	`MINED085`	[MINED085] Java Systemexit: System.exit() inside a library kills the whole JVM.	`src/main/java/net/mcreator/Launcher.java:86`
INFO	`MINED043`	[MINED043] Http Not Https: Hardcoded http:// (not localhost) for endpoints that handle cr…	`src/main/java/net/mcreator/ui/blockly/B…:83`
INFO	`MINED043`	[MINED043] Http Not Https: Hardcoded http:// (not localhost) for endpoints that handle cr…	`src/main/java/net/mcreator/blockly/data…:78`
INFO	`MINED043`	[MINED043] Http Not Https: Hardcoded http:// (not localhost) for endpoints that handle cr…	`plugins/mcreator-core/blockly/js/field_…:42`

Reset to top 5 95 findings available (after auto-suppression of test files + won't-fix)

Issue body (markdown)

## Code-quality scan: `MCreator/MCreator`

**Score: 84/100 (B-)**  ·  95 findings  ·  scanned 2026-06-05 20:04 UTC  ·  153,935 LOC

| Severity | Count |
|---|---|
| CRITICAL | 1 |
| HIGH | 47 |
| MEDIUM | 8 |
| LOW | 29 |

📊 [Full filterable report](https://repobility.com/scan/f9fdc24e-8907-4d6b-8a28-38dcdb7fc916/)  ·  ![scorecard](https://repobility.com/scan/f9fdc24e-8907-4d6b-8a28-38dcdb7fc916/report.png?v=1780689857-s2)

### Top findings

1. **CRITICAL** `SEC101` — Unsafe Java object deserialization (ObjectInputStream)
   `src/main/java/net/mcreator/util/SingleAppHandler.java:68` · A08:2021 Software & Data Integrity Failures
2. **HIGH** `SEC106` — Block cipher in ECB mode (AES/DES/Blowfish)
   `src/main/java/net/mcreator/util/EncryptUtils.java:29` · A02:2021 Cryptographic Failures
3. **HIGH** `MINED004` — Weak Crypto
   `src/main/java/net/mcreator/ui/views/editor/image/metadata/MetadataManager.java:108` · CWE-327 · ✓ Repobility
4. **HIGH** `SEC029` — Server-Side Request Forgery (SSRF) — outbound HTTP from user input
   `src/main/java/net/mcreator/io/net/api/IWebAPI.java:59` · A10:2021 SSRF
5. **HIGH** `SEC029` — Server-Side Request Forgery (SSRF) — outbound HTTP from user input
   `src/main/java/net/mcreator/io/net/analytics/GoogleAnalytics.java:81` · A10:2021 SSRF

---

**Security note**: this issue is public. If any flagged finding is a real, exploitable vulnerability, please redirect to your `SECURITY.md` policy or open a [private security advisory](https://docs.github.com/en/code-security/security-advisories/guidance-on-reporting-and-writing-information-about-vulnerabilities/privately-reporting-a-security-vulnerability) instead. We're happy to close this and re-submit privately.

---

_Filed automatically. Close this issue if not useful — we won't refile. Full report: https://repobility.com/scan/f9fdc24e-8907-4d6b-8a28-38dcdb7fc916/_

Megaproject â high spam risk

Could not determine 'MCreator/MCreator' star count (GitHub API rate-limited or unreachable). When in doubt about repo size, prefer opening a focused PR or a discussion rather than an issue.

Open in GitHub to file this issue Cancel

The button opens GitHubâs new-issue page in a new tab. You will see the title + body pre-filled â review, edit if you want, then click GitHubâs "Submit new issue" button. Repobility never posts anything on your behalf.

For real security findings on big repos: use the project's SECURITY.md or private advisory flow instead of a public issue.

Push this scan report to MCreator/MCreator

Embedded score card image

Issue title

Curate findings to include

Issue body (markdown)

Push this scan report to `MCreator/MCreator`