CVE-2026-35191

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.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.72% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 53.7% of scored records. A rank, not a probability.

NVD base score

3.7 (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:N/I:N/A:L

NVD analysis status

Analyzed. NVD last modified this record on 2026-10-08.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

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.

Published

2026-09-29 15:32Z1 MO AGO

Last updated

2026-09-30 20:11Z28 DAYS AGO

Reserved

2026-04-01

Assigning CNA

openssl

Record state

PUBLISHED

Severity

Low (CVSS 3.7)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses

• CWE-440Expected Behavior ViolationBase
• CWE-358Improperly Implemented Security Check for StandardBase

Data version

5.2

Document digest

2801ed126d2c0a77a95aca21ecf1a6ba8269844266062ae178d11f984456f93a

• openssl-library.orgOpenSSL Advisoryhttps://openssl-library.org/news/secadv/20260929.txtvendor-advisory
• github.com4.0.3 git commithttps://github.com/openssl/openssl/commit/e44292e58b090014232ef75bd400393851b24d1apatch
• github.com3.6.5 git commithttps://github.com/openssl/openssl/commit/2de4c35fb13fc58f43fd8dc1d261700472ce72e5patch
• github.com3.5.9 git commithttps://github.com/openssl/openssl/commit/0fe4442d4f8ea3af8a174046dae176e0d4717239patch