CVE-2026-109359 Contrast - Authentication Bypass

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the serving peer uses the same manifest generation, letting attackers with write access to manifest history replay superseded history or disclose Mesh CA key, exploit requires write access to manifest history or secret seed.

CVSS base score 7.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.11% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Information Disclosure, Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
Published
12 October 2026
Updated
15 October 2026
Weakness
CWE-345

Vendor fix

Upgrade to version 1.24.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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