CVE-2026-12491

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

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

EPSS percentile

Equal to or higher than the score of 14.8% of scored records. A rank, not a probability.

NVD base score

4.8 (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:L/A:L

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-07-07.

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

2026-06-17 10:07Z4 MO AGO

Last updated

2026-07-07 07:44Z3 MO AGO

Reserved

2026-06-17

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 4.8)

CNA CVSS vector

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

Weaknesses

• CWE-115Misinterpretation of InputBase

Data version

5.2

Document digest

e5c05ba25dfa098b1f00927c2e9d57b73f9af1b2ae61b6de5811515053e39ff7

• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-12491vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2489786https://bugzilla.redhat.com/show_bug.cgi?id=2489786issue-trackingx_refsource_REDHAT