What’s Vulnerable › Vulnerabilities

CVE-2026-109359: Contrast 1.8.0 before 1.24.1 Mesh CA Key Cross-Manifest Exposure via Peer Recovery

• Severity: high (CVSS 7.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-12 · updated 2026-10-16
• Weakness: CWE-345

Description

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 Attackers with write access to manifest history can replay a superseded history head so withdrawn workloads obtain trusted mesh certificates, or with the secret seed disclose the Mesh CA key.

Affected products

• edgelesssys contrast: from 1.8.0 before 1.24.1 — fixed in 1.24.1

How to fix

Upgrade to a fixed version: edgelesssys contrast 1.24.1. Check the vendor advisory for mitigations.

References

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

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