CVE-2026-109359

HIGH 7.7

Contrast 1.8.0 before 1.24.1 Mesh CA Key Cross-Manifest Exposure via Peer Recovery

CVSS Score

7.7

EPSS Score

0.0%

EPSS Percentile

0th

Contrast 1.8.0 before 1.24.1 contains an improper verification vulnerability in Coordinator peer recovery that fails to confirm the serving peer uses the same manifest generation. Attackers with write access to manifest history can replay a superseded history head so withdrawn workloads obtain trusted mesh certificates, or with the secret seed disclose the Mesh CA key.

CWE	CWE-345
Vendor	edgelesssys
Product	contrast
Published	Oct 12, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

edgelesssys / contrast

1.8.0 < 1.24.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/edgelesssys/contrast/security/advisories/GHSA-rxcv-p3px-m3c3 vulncheck.com: https://www.vulncheck.com/advisories/contrast-1.8.0-before-1.24.1-mesh-ca-key-cross-manifest-exposure-via-peer-recovery

Credits

sjlnk sespiros burgerdev