Ecosystem
GitHub Actions
56 known vulnerabilities.
Most affected packages
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Critical —
pypi-publish action revocation of CA in the chain that Sigstore uses in Trusted Publishing and Digital Attestations for PyPI
### Summary The [pypi-publish action][pypi-publish] versions before 1.14.2 used to bundle the `emSign` root CA trust store certificate through the `certifi` distribution. It has since been removed through the bundle and the new version no longer includes them…
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Critical 9.1
Conflibot: Command injection via crafted pull request branch names under pull_request_target
Conflibot warns in advance when merging a pull request will cause conflicts in other open pull requests. Prior to 1.2.1, src/index.ts builds git checkout, git merge, and git format-patch commands by interpolating the attacker-controlled pull request head.ref …
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Critical 10.0
Unauthenticated Remote Code Execution in Gemini CLI CI/CD Workflows
Improper Neutralization used in an OS Command in the container launcher in Google Gemini CLI (versions prior to 0.39.1) and run-gemini-cli GitHub Action (versions prior to 0.1.22) on headless CI platforms allows an unprivileged attacker to achieve pre-sandbox…
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Critical 9.8CVE-2026-34243 Public exploit
wenxian: Command Injection in GitHub Actions Workflow via `issue_comment.body`
wenxian is a tool to generate BIBTEX files from given identifiers (DOI, PMID, arXiv ID, or paper title). In versions 0.3.1 and prior, a GitHub Actions workflow uses untrusted user input from issue_comment.body directly inside a shell command, allowing potenti…
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Critical 9.4
Trivy ecosystem supply chain briefly compromised
Trivy is a security scanner. On March 19, 2026, a threat actor used compromised credentials to publish a malicious Trivy v0.69.4 release, force-push 76 of 77 version tags in `aquasecurity/trivy-action` to credential-stealing malware, and replace all 7 tags in…
KEV Mar 26, 2026 -
Critical 10.0
Zen-AI-Pentest has Shell Injection via untrusted issue title in ZenClaw Discord Integration workflow
## Summary The `ZenClaw Discord Integration` GitHub Actions workflow is vulnerable to shell command injection. The issue title field, controllable by any GitHub user, is interpolated directly into a `run` shell block via a GitHub Actions template expression. …
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Critical 9.3
xygeni-action v5 tag poisoned with C2 backdoor
xygeni-action is the GitHub Action for Xygeni Scanner. On March 3, 2026, an attacker with access to compromised credentials created a series of pull requests (#46, #47, #48) injecting obfuscated shell code into action.yml. The PRs were blocked by branch prote…
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Critical 9.9
j178/prek-action vulnerable to arbitrary code injection in composite action
### Summary There are three potential attacks of arbitrary code injection vulnerability in the composite action at _action.yml_. ### Details The GitHub Action variables `inputs.prek-version`, `inputs.extra_args`, and `inputs.extra-args` can be used to execute…
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Critical 10.0
m00nl1ght-dev/steam-workshop-deploy: Exposure of Version-Control Repository to an Unauthorized Control Sphere and Insufficiently Protected Credentials
## Summary The `steam-workshop-deploy` github action does not exclude the `.git` directory when packaging content for deployment and provides no built-in way to do so. If a `.git` folder exists in the target directory (e.g., due to a local Git repo, custom pr…
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Critical 9.1CVE-2025-54416 Public exploit
tj-actions/branch-names Contains Command Injection Vulnerability
tj-actions/branch-names is a Github actions repository that contains workflows to retrieve branch or tag names with support for all events. In versions 8.2.1 and below, a critical vulnerability has been identified in the tj-actions/branch-names' GitHub Action…
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Critical 9.1
Cromwell GitHub Actions Secrets exfiltration via `Issue_comment`
### Summary Using `Issue_comment` on `.github/workflows/scalafmt-fix.yml` an attacker can inject malicious code using `github.event.comment.body`. By exploiting the vulnerability, it is possible to exfiltrate high privileged `GITHUB_TOKEN` which can be used t…
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Critical 9.3
GitHub Actions Script Injection in `ultralytics/actions`
### Summary The Ultralytics action available at https://github.com/marketplace/actions/ultralytics-actions is vulnerable to GitHub Actions script injection. If anyone uses the action within a workflow that runs on the `pull_request_target` trigger, then an at…
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Critical 9.8CVE-2023-50245 Public exploit
OpenEXR-viewer memory overflow vulnerability
OpenEXR-viewer is a viewer for OpenEXR files with detailed metadata probing. Versions prior to 0.6.1 have a memory overflow vulnerability. This issue is fixed in version 0.6.1.
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Critical 9.3
Improper Sanitization of Branch Name Leads to Arbitrary Code Injection
tj-actions/branch-names is a Github action to retrieve branch or tag names with support for all events. The `tj-actions/branch-names` GitHub Actions improperly references the `github.event.pull_request.head.ref` and `github.head_ref` context variables within …
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Critical 9.9CVE-2021-32724 Public exploit
check-spelling workflow vulnerable to GITHUB_TOKEN leakage via symlink attack
check-spelling is a github action which provides CI spell checking. In affected versions and for a repository with the [check-spelling action](https://github.com/marketplace/actions/check-spelling) enabled that triggers on `pull_request_target` (or `schedule`…
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Critical 9.8
gajira-create GitHub action vulnerable to arbitrary code execution
The preprocessArgs function in the Atlassian gajira-create GitHub Action before version 2.0.1 allows remote attackers to execute arbitrary code in the context of a GitHub runner by creating a specially crafted GitHub issue.