CVE-2025-27510: RCE in the package conda-forge-metadata

Severity: critical (CVSS 9.3 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-03-04 · updated 2026-06-17
Weakness: CWE-829

Description

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.

Affected products

conda-forge-metadata: through 0.4.1

References

https://github.com/conda-forge/conda-forge-metadata/blob/799aee36b21ee06289d73d57838b28201f5a57af/pyproject.toml#L28
https://github.com/conda-forge/conda-forge-metadata/security/advisories/GHSA-vwfh-m3q7-9jpw
https://github.com/conda-forge/conda-forge-metadata/security/advisories/GHSA-vwfh-m3q7-9jpw

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