CVE-2026-34182

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.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• 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

0.43% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 36.1% of scored records. A rank, not a probability.

NVD base score

9.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-23.

Red Hat severity

Moderate. 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

2026-06-09 16:03Z2 MO AGO

Last updated

2026-06-10 15:58Z2 MO AGO

Reserved

2026-03-26

Assigning CNA

openssl

Record state

PUBLISHED

Severity

Critical (CVSS 9.1)

CNA CVSS vector

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

Weaknesses

• CWE-354Improper Validation of Integrity Check ValueBase
• CWE-130Improper Handling of Length Parameter InconsistencyBase

Data version

5.2

Document digest

4192ab8521543a656715e19cb2762cd11519679703b3390d480ef97d3fea2825

• openssl-library.orgOpenSSL Advisoryhttps://openssl-library.org/news/secadv/20260609.txtvendor-advisory
• github.com4.0.1 git commithttps://github.com/openssl/openssl/commit/9fd97f8cfdc2c0be214998de3b2b55c8edf6c7acpatch
• github.com3.6.3 git commithttps://github.com/openssl/openssl/commit/439ed7d2c0962ce964482727264668bf277c333fpatch
• github.com3.5.7 git commithttps://github.com/openssl/openssl/commit/7947e6a81eb8776802f159fb6762cb7fcf7e34c7patch
• github.com3.4.6 git commithttps://github.com/openssl/openssl/commit/d2ca86bcd43e4f17d899f347101766b6107676e0patch
• github.com3.0.21 git commithttps://github.com/openssl/openssl/commit/03c1f4d45fb963aee7d5833390c507cd290182bcpatch