CVE-2026-9758Improper Certificate Validation in S2OPC
Updated under an hour ago ()
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It affects Systerel S2OPC. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Improper comparison with the certificates trusted list in S2OPC allows an attacker well-formed untrusted certificate to be considered trusted
- CVSS
- 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- Weakness (CWE)
- CWE-295
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitLab
- NVD analysis
- Deferred
- Record last updated
- Jun 10, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Systerel S2OPC systerel:s2opc (from the name) | from 1.5.0 before 1.7.3 | CNA record |
References
- https://gitlab.com/systerel/S2OPC/-/work_items/1770
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.