# GitHub Actions package vulnerabilities

Source: https://junglewise.ai/threats/vendors/actions  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 11 November 2026, 19:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/actions.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 16 vulnerabilities in GitHub Actions packages: 7 in the last 7 days and 9 in the last 90 days, 4 of them critical and 1 exploited in the wild. The most recent, CVE-2026-125125, was published on 10 November 2026. 1 vulnerability in the last four weeks, level on the four before (1). 1 critical against 1. 1 package has a page of its own.

## Counts

- Last 7 days: 7
- Last 30 days: 8
- Last 90 days: 9
- All time: 16 (4 critical, 1 exploited in the wild)

## About GitHub Actions

Platform for automating software development workflows using event-triggered actions within GitHub repositories.

## Latest GitHub Actions package vulnerabilities

- [CVE-2026-125125: compose-lint GitHub Action workflow command injection via symlink path](https://junglewise.ai/threats/cve-2026-125125-compose-lint-is-a-docker-compose-security-linter-that-identifies) (low, published 10 Nov 2026)
- [CVE-2026-123796: compose-lint information disclosure via incomplete .env remediation at finding limit](https://junglewise.ai/threats/cve-2026-123796-compose-lint-is-a-docker-compose-security-linter-that-identifies) (medium, CVSS 4, published 9 Nov 2026)
- [CVE-2026-123373: compose-lint path traversal via symlink following in Compose files](https://junglewise.ai/threats/cve-2026-123373-compose-lint-is-a-docker-compose-security-linter-that-identifies) (medium, CVSS 4, published 9 Nov 2026)
- [CVE-2026-123372: compose-lint unintended secret exposure in CL-0004 and CL-0019 findings](https://junglewise.ai/threats/cve-2026-123372-compose-lint-is-a-docker-compose-security-linter-that-identifies) (medium, CVSS 4, published 9 Nov 2026)
- [CVE-2026-123371: compose-lint information disclosure via symlink policy file](https://junglewise.ai/threats/cve-2026-123371-compose-lint-is-a-docker-compose-security-linter-that-identifies) (medium, CVSS 4, published 9 Nov 2026)
- [CVE-2026-123369: compose-lint command injection in GitHub Actions and Azure Pipelines output](https://junglewise.ai/threats/cve-2026-123369-compose-lint-is-a-docker-compose-security-linter-that-identifies) (medium, CVSS 4.3, published 9 Nov 2026)
- [CVE-2026-123368: compose-lint symlink path traversal environment variable exposure](https://junglewise.ai/threats/cve-2026-123368-compose-lint-is-a-docker-compose-security-linter-that-identifies) (low, CVSS 3.1, published 9 Nov 2026)
- [pypi-publish action improper certificate validation in Sigstore integration](https://junglewise.ai/threats/pypi-publish-action-revocation-of-ca-in-the-chain-that-sigstore-uses-in-8146bd4a) (critical, published 30 Oct 2026)
- [CVE-2026-55158: conflibot command injection in pull request branch names](https://junglewise.ai/threats/cve-2026-55158-conflibot-command-injection-in-pull-request-branch-names) (critical, CVSS 9.1, published 15 Sep 2026)
- [CVE-2026-46420: shivammathur setup-php command injection in PHP version resolution](https://junglewise.ai/threats/cve-2026-46420-shivammathur-setup-php-command-injection-in-php-version) (medium, CVSS 5.6, published 17 Jul 2026)
- [CVE-2026-47751: Anthropic Claude Code Action arbitrary code execution in GitHub Actions runner](https://junglewise.ai/threats/cve-2026-47751-anthropic-claude-code-action-arbitrary-code-execution-in-github) (medium, CVSS 5.3, published 16 Jul 2026)
- [Google Gemini CLI OS command injection in container launcher](https://junglewise.ai/threats/google-gemini-cli-os-command-injection-in-container-launcher-f7bccc96) (high, CVSS 7.8, published 24 Jun 2026)
- [CVE-2026-12537: Google Gemini CLI OS command injection in headless CI environments](https://junglewise.ai/threats/cve-2026-12537-google-gemini-cli-os-command-injection-in-headless-ci) (critical, CVSS 10, published 24 Jun 2026)
- [gouef githubtoplanguages command injection in Discord notification workflow](https://junglewise.ai/threats/gouef-githubtoplanguages-command-injection-in-discord-notification-76e747f5) (high, CVSS 7.1, published 19 Jun 2026)
- [shivammathur setup-php GitHub token disclosure via pinned Composer versions](https://junglewise.ai/threats/shivammathur-setup-php-github-token-disclosure-via-pinned-composer-87f215a6) (medium, CVSS 5.9, published 20 May 2026)
- [CVE-2026-33634: GO-2026-4919 - Trivy ecosystem supply chain was briefly compromised in github.com/aquasecurity/trivy](https://junglewise.ai/threats/cve-2026-33634-aqua-security-trivy-supply-chain-compromise-via-malicious-code) (critical, exploited in the wild, CVSS 4, published 1 Apr 2026)

## Most severe GitHub Actions package vulnerabilities

- [CVE-2026-33634: GO-2026-4919 - Trivy ecosystem supply chain was briefly compromised in github.com/aquasecurity/trivy](https://junglewise.ai/threats/cve-2026-33634-aqua-security-trivy-supply-chain-compromise-via-malicious-code) (critical, exploited in the wild, CVSS 4, published 1 Apr 2026)
- [CVE-2026-12537: Google Gemini CLI OS command injection in headless CI environments](https://junglewise.ai/threats/cve-2026-12537-google-gemini-cli-os-command-injection-in-headless-ci) (critical, CVSS 10, published 24 Jun 2026)
- [CVE-2026-55158: conflibot command injection in pull request branch names](https://junglewise.ai/threats/cve-2026-55158-conflibot-command-injection-in-pull-request-branch-names) (critical, CVSS 9.1, published 15 Sep 2026)
- [pypi-publish action improper certificate validation in Sigstore integration](https://junglewise.ai/threats/pypi-publish-action-revocation-of-ca-in-the-chain-that-sigstore-uses-in-8146bd4a) (critical, published 30 Oct 2026)
- [Google Gemini CLI OS command injection in container launcher](https://junglewise.ai/threats/google-gemini-cli-os-command-injection-in-container-launcher-f7bccc96) (high, CVSS 7.8, published 24 Jun 2026)
- [gouef githubtoplanguages command injection in Discord notification workflow](https://junglewise.ai/threats/gouef-githubtoplanguages-command-injection-in-discord-notification-76e747f5) (high, CVSS 7.1, published 19 Jun 2026)
- [shivammathur setup-php GitHub token disclosure via pinned Composer versions](https://junglewise.ai/threats/shivammathur-setup-php-github-token-disclosure-via-pinned-composer-87f215a6) (medium, CVSS 5.9, published 20 May 2026)
- [CVE-2026-46420: shivammathur setup-php command injection in PHP version resolution](https://junglewise.ai/threats/cve-2026-46420-shivammathur-setup-php-command-injection-in-php-version) (medium, CVSS 5.6, published 17 Jul 2026)
- [CVE-2026-47751: Anthropic Claude Code Action arbitrary code execution in GitHub Actions runner](https://junglewise.ai/threats/cve-2026-47751-anthropic-claude-code-action-arbitrary-code-execution-in-github) (medium, CVSS 5.3, published 16 Jul 2026)
- [CVE-2026-123369: compose-lint command injection in GitHub Actions and Azure Pipelines output](https://junglewise.ai/threats/cve-2026-123369-compose-lint-is-a-docker-compose-security-linter-that-identifies) (medium, CVSS 4.3, published 9 Nov 2026)

## Vulnerabilities per week

1 vulnerability in the last four weeks, level on the four before (1). 1 critical against 1.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 1 | 1 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 1 | 1 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 7 | 0 | 0 |

## GitHub Actions packages

- [tmatens/compose-lint (GitHub Actions)](https://junglewise.ai/threats/technologies/actions-tmatens-compose-lint): 7 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "GitHub Actions package vulnerabilities", https://junglewise.ai/threats/vendors/actions, 11 November 2026.
