RCE in the package conda-forge-metadata
Priority HIGH 81CWE-829Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-829.
Summary
conda-forge-metadata provides programatic access to conda-forge's metadata. conda-forge-metadata uses an optional dependency - "conda-oci-mirror" which was neither present on the PyPi repository nor registered by any entity. If conda-oci-mirror is taken over by a threat actor, it can result in remote code execution.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00636 50th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| conda-forge | conda-forge-metadata | up to 0.4.1 | — | No fix listed | CNA |
- conda-forge-metadata Vendorconda-forge Affected up to 0.4.1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-27510
- 2026-10-25 EPSS moved to the 50th–90th percentile
References
More conda-forge vulnerabilities
- TI-2025-24594 conda-forge openssl-feedstock writable OPENSSLDIR CVSS 4.0HIGH 7.0
- TI-2025-31611 conda-forge-ci-setup Allows Arbitrary Code Execution via Insecure Version Parsing CVSS 4.0MEDIUM 4.4
- TI-2025-22665 conda-forge infrastructure uses a bad token for Azure's cf-staging access CVSS 4.0CRITICAL 9.3
- TI-2025-23821 conda-forge-webservices has an Unauthorized Artifact Modification Race Condition CVSS 4.0HIGH 7.5
- TI-2026-34328 Improper access control in conda-forge conda-smithy CVSS 3.1HIGH 7.6
- TI-2025-31758 conda-smithy Has Incorrect Default File Permissions CVSS 4.0LOW 2.7
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences