CVE-2026-53942
Conda Organization Infrastructure is a centralized location for infrastructure codes. Prior to commit 9c0f238, a GitHub Actions Pwn Request vulnerability appears to remain present in conda/conda. The affected workflow is .github/workflows/update.yml. It is triggered by issue_comment events containing @conda-bot render or @conda-bot recreate. For the render path, the workflow obtains the pull request head repository and branch from the PR API, checks out that PR-controlled repository/ref using secrets.SYNC_TOKEN, and then runs conda/actions/template-files@7f6830b1428a9bd47f0b068892c77eae95207037. The external template-files action reads its default configuration and templates from the checked-out working directory. In the confirmed finding, that action uses an unsandboxed Jinja2 environment to render attacker-controlled template content. This creates a Pwn Request chain in which an untrusted PR/comment path can reach template rendering in a privileged token context. This issue has been patched via commit 9c0f238.
Properties
- Severity
- CRITICAL
- Nvd fetched at
- 2026-10-23T18:28:27.485228+00:00
- Cvss severity
- CRITICAL
- Cvss score
- 9.9
- Retrieved at
- 2026-10-23T18:30:16+00:00
- Score
- 9.9
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-53942
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
- First seen by Signal
- 2026-10-23T18:30:16+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
- Published at
- 2026-10-23T15:17:32.157
- Last modified
- 2026-10-23T15:17:32.157
Related Entities (1)
HAS_WEAKNESS (1)
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