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UK Cyber Defence
VulnerabilityDeferred

CVE-2026-9758

Improper comparison with the certificates trusted list in S2OPC allows an attacker well-formed untrusted certificate to be considered trusted

HIGH 7.3EPSS 0.12%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Improper comparison with the certificates trusted list in S2OPC allows an attacker well-formed untrusted certificate to be considered trusted

CVSS 3.1
7.3 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS
0.12% probability · 2th percentile
CISA KEV
Not listed
Weakness
CWE-295
Source
cve@gitlab.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.