github/codeql

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CodeQL: the libraries and queries that power security researchers around the world, as well as code scanning in GitHub Advanced Security

Stars: 10.1k
Forks: 2.1k
Open beginner issues: 1
Indexed issues: 999
Avg merge: 2d 18h
Merged PRs (30d): 152

Dominant language: CodeQL
License: MIT
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 16, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

999 issues indexed so far

Support for `.razor` files is unclear Open

question

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

github/codeql#21645 · 4 comments · Opened Apr 3, 2026
Add AlertSuppression.ql for Rust (inline // codeql[...] suppression) Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

github/codeql#21637 · 2 comments · Opened Apr 2, 2026
py/HardcodedCredentials misses common credential patterns and flags usernames. Open

acknowledged Python

Difficulty 4/5 3-5 days Newbie friendliness 48/100

github/codeql#21620 · 4 comments · Opened Mar 31, 2026
False negatives of `py/flask-debug` Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

github/codeql#21616 · 1 comment · Opened Mar 30, 2026
Accuracy improvements for py/clear-text-logging-sensitive-data Open

question

Difficulty 4/5 3-5 days Newbie friendliness 52/100

github/codeql#21595 · 1 comment · Opened Mar 27, 2026
Build tracing filtering: path-based inclusion & content-based exclusion Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

github/codeql#21572 · 4 comments · 1 reaction · Opened Mar 25, 2026
Are the Actions model files in ext/manual and ext/generated actively used and maintained? Open

question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

github/codeql#21570 · 1 comment · Opened Mar 24, 2026
Azure DevOps Ubuntu 24.04 DB Creation for C# Open

question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

github/codeql#21562 · 3 comments · Opened Mar 24, 2026
False Negative: Unsafe hostname verification is under-modeled in anonymous classes, lambdas, and API variants. Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

github/codeql#21556 · 1 comment · Opened Mar 23, 2026
False Negative: IterableIterator.ql misses `iterator() == this` implementations once the guard logic is hidden behind helpers or trivial control flow. Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

github/codeql#21551 · 1 comment · Opened Mar 23, 2026
False Positive: IterableIterator.ql reports classes whose `hasNext()` still reliably disables iteration. Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

github/codeql#21550 · 1 comment · Opened Mar 23, 2026
False Negative: ImproperWebViewCertificateValidation.ql misses unconditional `handler.proceed()` calls once they are hidden behind aliases or tiny wrappers. Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

github/codeql#21549 · 1 comment · Opened Mar 23, 2026
False Negative: ImplicitPendingIntents.ql misses mutable implicit PendingIntents once they are stored, enriched, or sent through slightly noisier code paths. Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

github/codeql#21548 · 1 comment · Opened Mar 23, 2026
False Negative: EqualsArray.ql misses array identity comparisons once the array is widened to `Object` or routed through helper APIs. Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

github/codeql#21547 · 1 comment · Opened Mar 23, 2026
False Negative: DoubleCheckedLockingWithInitRace.ql misses initialization races once the double-checked pattern is split across helpers or early returns. Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

github/codeql#21546 · 3 comments · Opened Mar 23, 2026
incorrect outofmemory death Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

github/codeql#21543 · 3 comments · Opened Mar 22, 2026
False Negative: DoubleCheckedLocking.ql misses non-volatile lazy initialization once the null checks are split across locals, helpers, or early returns. Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

github/codeql#21542 · 1 comment · Opened Mar 22, 2026
False Negative: ContradictoryTypeChecks.ql misses impossible subtype checks once the false branch is expressed through aliases or lambdas. Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

github/codeql#21541 · 1 comment · Opened Mar 22, 2026
False Negative: ContinueInFalseLoop.ql misses `do ... while(false)` loops once `false` is stored in a local. Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

github/codeql#21540 · 2 comments · Opened Mar 22, 2026
False Negative: ContainsTypeMismatch.ql misses mismatched collection lookups once the receiver is routed through a raw alias. Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

github/codeql#21539 · 1 comment · Opened Mar 22, 2026
False Negative: ContainerSizeCmpZero.ql misses impossible size checks once `length()` or `size()` is copied into locals. Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

github/codeql#21538 · 1 comment · Opened Mar 22, 2026
False Negative: ConstantLoopCondition.ql misses loops whose exit condition stays constant after being wrapped in helpers. Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

github/codeql#21537 · 1 comment · Opened Mar 22, 2026
False Negative: ConstantExpAppearsNonConstant.ql misses expressions that stay constant after trivial local rewrites. Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

github/codeql#21536 · 1 comment · Opened Mar 22, 2026
False Negative: CompareIdenticalValues.ql misses self-comparisons once the same value is routed through aliases or tiny helper methods. Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

github/codeql#21535 · 1 comment · Opened Mar 22, 2026
False Negative: CloseWriter.ql misses leaked wrapped streams when the close is skipped by an early return or hidden in a factory. Open

question

Difficulty 4/5 3-5 days Newbie friendliness 52/100

github/codeql#21534 · 1 comment · Opened Mar 22, 2026
False Positive: CloseSql.ql reports a ResultSet that is already scoped by try-with-resources on its parent Statement. Open

question

Difficulty 3/5 1-2 days Newbie friendliness 68/100

github/codeql#21533 · 1 comment · Opened Mar 22, 2026
False Negative: CloseReader.ql misses unclosed streams once construction moves into helpers or alternate APIs. Open

question

Difficulty 4/5 3-5 days Newbie friendliness 48/100

github/codeql#21532 · 1 comment · Opened Mar 22, 2026
False Negative: CloseSql.ql misses leaked JDBC resources once the allocation site is split across helper calls or `getResultSet()`. Open

question

Difficulty 4/5 3-5 days Newbie friendliness 50/100

github/codeql#21531 · 1 comment · Opened Mar 22, 2026
False Positive: CloseReader.ql reports resources that are either transferred to another owner or closed by a wrapper. Open

question

Difficulty 4/5 3-5 days Newbie friendliness 50/100

github/codeql#21530 · 1 comment · Opened Mar 22, 2026
False Positive: BrokenCryptoAlgorithm.ql reports nearby string literals even when the cipher call itself stays on AES. Open

question

Difficulty 3/5 1-2 days Newbie friendliness 52/100

github/codeql#21529 · 1 comment · Opened Mar 22, 2026
False Negative：ArrayIndexOutOfBounds.ql Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

github/codeql#21528 · 1 comment · Opened Mar 21, 2026
False Positive: AndroidInsecureLocalAuthentication.ql Open

false-positive

Difficulty 3/5 1-2 days Newbie friendliness 48/100

github/codeql#21527 · 1 comment · Opened Mar 21, 2026
False negative: AndroidInsecureLocalAuthentication.ql Open

question

Difficulty 3/5 1-2 days Newbie friendliness 55/100

github/codeql#21526 · 1 comment · Opened Mar 21, 2026
C# Add support for authenticated nuget feeds Open

question

Difficulty 4/5 3-5 days Newbie friendliness 45/100

github/codeql#21520 · 4 comments · 2 reactions · Opened Mar 20, 2026
Clarification on CodeQL CLI Licensing for On-Premise Azure DevOps Usage Open

question

Difficulty 5/5 Over a week Newbie friendliness 20/100

github/codeql#21487 · 1 comment · Opened Mar 17, 2026
Copilot's `codeql_checker` always times out Open

question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

github/codeql#21476 · 8 comments · 5 reactions · Opened Mar 15, 2026
jackson.core needs to be upgraded to a secure version(v3.1.0) Open

question

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

github/codeql#21470 · 1 comment · Opened Mar 13, 2026
False negative: DoubleCheckedLocking.ql cannot detect scenarios with ternary expressions. Open

question

Difficulty 4/5 3-5 days Newbie friendliness 38/100

github/codeql#21395 · 2 comments · Opened Mar 1, 2026
False Positive: DoNotCallFinalize.ql cannot detect 'finalize()' in the function call chain. Open

false-positive

Difficulty 3/5 1-2 days Newbie friendliness 55/100

github/codeql#21394 · Opened Mar 1, 2026
False Negative : CloseSql.ql cannot detect bugs in the Try-Catch block. Open

question

Difficulty 4/5 3-5 days Newbie friendliness 48/100

github/codeql#21393 · 2 comments · Opened Mar 1, 2026
A fatal error occurred: python-security-extended.qls is not a .ql file, .qls file, a directory, or a query pack specification. Open

question

Difficulty 4/5 3-5 days Newbie friendliness 25/100

github/codeql#21293 · 1 comment · Opened Feb 6, 2026
Actions: Add warning/finding when using actions/create-github-app-token without permissions Open

question

Difficulty 5/5 Over a week Newbie friendliness 35/100

github/codeql#21264 · 2 comments · Opened Feb 3, 2026
JavaScript DOM XSS via fetch().json() → insertAdjacentHTML not detected by CodeQL Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

github/codeql#21257 · 2 comments · Opened Feb 3, 2026
CPP: IR weirdness with unexpected result for `getUnconvertedResultExpression` Open

question

Difficulty 4/5 3-5 days Newbie friendliness 45/100

github/codeql#21249 · 6 comments · Opened Feb 2, 2026
How do we use the NestJS framework classes? Open

question

Difficulty 4/5 3-5 days Newbie friendliness 25/100

github/codeql#21233 · 1 comment · Opened Jan 28, 2026
Support for Vue Open

question

Difficulty 4/5 3-5 days Newbie friendliness 25/100

github/codeql#21229 · 1 comment · Opened Jan 28, 2026
Can I register complex sources/sinks/sanitizers entirely inside a custom CodeQL pack? Open

question

Difficulty 5/5 Over a week Newbie friendliness 25/100

github/codeql#21198 · 1 comment · Opened Jan 21, 2026
False Positive: cpp/use-after-free on chained assignment after delete Open

false-positive

Difficulty 4/5 3-5 days Newbie friendliness 48/100

github/codeql#21187 · 1 comment · Opened Jan 19, 2026
Java Extractor fails to resolve method calls when a package name is shadowed by a class name (Obfuscation scenario)(My Prediction) Open

Java question

Difficulty 4/5 3-5 days Newbie friendliness 42/100

github/codeql#21178 · 4 comments · Opened Jan 16, 2026
Where do library customization data extension YAML files go, and how can we actually develop and use them? Open

question

Difficulty 3/5 1-2 days Newbie friendliness 58/100

github/codeql#21174 · 3 comments · Opened Jan 15, 2026

github/codeql

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