CVE-2026-93856

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• 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

0.37% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 31.0% of scored records. A rank, not a probability.

NVD base score

4.3 (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:U/C:L/I:N/A:N

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-10-22.

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

2026-10-21 05:36Z8 DAYS AGO

Last updated

2026-10-21 18:54Z8 DAYS AGO

Reserved

2026-09-18

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 4.3)

CNA CVSS vector

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

Weaknesses

• CWE-669Incorrect Resource Transfer Between SpheresClass
• CWE-201Insertion of Sensitive Information Into Sent DataBase

Data version

5.2

Document digest

118a20d20bb795f186a497784fe3cc3fe3bad867f6798dbd67b3d1f9b5027854

• bugs.launchpad.nethttps://bugs.launchpad.net/cinder/+bug/2160671
• security.openstack.orghttps://security.openstack.org/ossa/OSSA-2026-045.html
• www.openwall.comhttps://www.openwall.com/lists/oss-security/2026/10/20/17
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/10/20/17