01 Record
CVE-2026-6899
Improper Check for Certificate Revocation in S2OPC
MediumPUBLISHEDCNA: GitLab
CNA base score5.6 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
02 Description
Improper Check for Certificate Revocation in S2OPC
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.10% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 1.1% of scored records. A rank, not a probability.
- NVD base score
- 5.6 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- NVD analysis status
- Deferred. NVD last modified this record on 2026-07-23.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-06-09 08:39Z4 MO AGO
- Last updated
- 2026-06-09 14:25Z4 MO AGO
- Reserved
- 2026-04-23
- Assigning CNA
- GitLab
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.6)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- Weaknesses
- CWE-299Improper Check for Certificate RevocationBase
- Data version
- 5.2
- Document digest
- 183b8f41b583d54f0b4cfbc05eea4e337570cfd2594e5db70844a1cd81f73031
05 Affected products
VendorProductVersionsPlatforms
06 References
07 Remediation
Use MbedTLS cryptographic wrapper, or upgrade S2OPC to commit 3ff81301d95a77260e9deb791585a620c5623028 or release version > 1.7.2