CVE-2026-88831

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

0.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 14.5% of scored records. A rank, not a probability.

NVD base score

5.3 (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:L/I:N/A:N

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-09-25.

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

2026-09-23 17:45Z1 MO AGO

Last updated

2026-09-25 22:28Z1 MO AGO

Reserved

2026-09-10

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

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

Weaknesses

• CWE-636Not Failing Securely ('Failing Open')Class

Data version

5.2

Document digest

4ffd152a5cf59ffcd860ec50fcb3ab68122f1bf7da402a9059f204b940aa1bbc

• access.redhat.comRHSA-2026:72111https://access.redhat.com/errata/RHSA-2026:72111vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-88831vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2531346https://bugzilla.redhat.com/show_bug.cgi?id=2531346issue-trackingx_refsource_REDHAT