CVE-2026-22797

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 ImpacttotalSuccessful exploitation gives total 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

0.65% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 50.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-09-10.

Red Hat severity

Important. 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

2026-01-19 00:00Z9 MO AGO

Last updated

2026-09-10 12:05Z1 MO AGO

Reserved

2026-01-09

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Critical (CVSS 9.9)

CNA CVSS vector

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

Weaknesses

• CWE-290Authentication Bypass by SpoofingBase

Data version

5.2

Document digest

fc0b90e248cd5d6373f5976232fc1bd0f47e072e861ea6f6e0add689bdc15964

• launchpad.nethttps://launchpad.net/bugs/2129018
• www.openwall.comhttps://www.openwall.com/lists/oss-security/2026/01/16/9
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/01/15/1
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/01/16/2
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/01/16/3
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/01/16/9
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-22797vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2430879https://bugzilla.redhat.com/show_bug.cgi?id=2430879issue-trackingx_refsource_REDHAT
• security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22797.jsonx_sadp-csaf-vex
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:5907vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:5133vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:4434vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:3855vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:3402vendor-advisoryx_refsource_REDHAT