What’s Vulnerable › Vulnerabilities

CVE-2025-61779: Trustee's attestation-policy endpoint is not protected by admin autentication

• Severity: high (CVSS 8.7 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-09 · updated 2026-10-08
• Weakness: CWE-639

Description

Confidential Containers's Trustee project contains tools and components for attesting confidential guests and providing secrets to them. In versions prior to 0.15.0, the attestation-policy endpoint didn't check if the kbs-client submitting the request was actually authenticated (had the right key). This allowed any kbs-client to actually change the attestation policy. Version 0.15.0 fixes the issue.

Affected products

• confidential-containers trustee: before 0.15.0

References

• https://github.com/confidential-containers/trustee/commit/3a7d04a70918fa503a00974dcae653cf9f0640e0
• https://github.com/confidential-containers/trustee/pull/957
• https://github.com/confidential-containers/trustee/security/advisories/GHSA-49mc-2q77-m99x
• https://github.com/confidential-containers/trustee/security/advisories/GHSA-49mc-2q77-m99x

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