CVE-2025-27510

RCE in the package conda-forge-metadata

9.3 Critical

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.64%Up 0.6 points since Mar 5, 2025

What each source reports

CVE List Score used 9.3

RCE in the package conda-forge-metadata

Record: CVE-2025-27510
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness: CWE-829
Updated: 2026-11-02

EUVDEUVD-2025-6186 9.3

Record: EUVD-2025-6186
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-02

NVD 9.3

Record: CVE-2025-27510
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness: CWE-829
Updated: 2026-11-02

OSV 9.3

RCE in the package conda-forge-metadata

Record: CVE-2025-27510
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness: CWE-829
Updated: 2026-11-02

Affected products

conda-forge conda-forge-metadata

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-27510 is a critical vulnerability (CVSS 9.3) in Conda-forge Conda-forge-metadata, published March 4, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.64%, the 50th percentile. No source names a fixed version.