CVE-2026-44393

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

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 7.0% of scored records. A rank, not a probability.

NVD base score

7.4 (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:H/I:H/A:N

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-08-27.

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

2026-06-04 00:00Z3 MO AGO

Last updated

2026-08-27 12:04Z8 DAYS AGO

Reserved

2026-05-05

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.4)

CNA CVSS vector

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

Weaknesses

• CWE-297Improper Validation of Certificate with Host MismatchVariant

Data version

5.2

Document digest

c5173910284bb78fccbe7236eeb7fe1199d6e4f2320c6d03800af7a0af1d54ba

• bugs.launchpad.nethttps://bugs.launchpad.net/oslo.messaging/+bug/2150316
• wiki.openstack.orghttps://wiki.openstack.org/wiki/OSSN/OSSN-0096
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-44393vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2484835https://bugzilla.redhat.com/show_bug.cgi?id=2484835issue-trackingx_refsource_REDHAT
• security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44393.jsonx_sadp-csaf-vex
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:54757vendor-advisoryx_refsource_REDHAT