CVE-2026-109359CWE-345

CVE-2026-109359

High · published October 12, 2026

CVSS v3.1
7.7
EPSS
0%
Percentile
1.2
In the wild
Unconfirmed
What it is

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 Attackers with write access to manifest history can replay a superseded history head so withdrawn workloads obtain trusted mesh certificates, or with the secret seed disclose the Mesh CA key.

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
CVSS v4.0
8.7 · CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
EPSS
0.00110 · 1.2th percentile
Weakness
CWE-345 · Insufficient Verification of Data Authenticity
Published
2026-10-12T21:17Z
References (2)
https://github.com/edgelesssys/contrast/security/advisories/GHSA-rxcv-p3px-m3c3 · [email protected]https://www.vulncheck.com/advisories/contrast-1.8.0-before-1.24.1-mesh-ca-key-cross-manifest-exposure-via-peer-recovery · [email protected]
EPSS history
Timeline
  • 14 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 12 OCT 16:05Z
    Contrast 1.8.0 before 1.24.1 Mesh CA Key Cross-Manifest Exposure via Peer Recovery
    cvelistv5
  • 12 OCT 16:05Z
    Contrast 1.8.0 before 1.24.1 Mesh CA Key Cross-Manifest Exposure via Peer Recovery
    cvelistv5