4.8

CVE-2026-110924: openssh Ubuntu Incomplete Cleanup

CVSS: 4.8v3.1MediumAwaiting analysis
AliasesUBUNTU-CVE-2026-110924
Published 15-10-2026Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2026-110924 is a medium (CVSS 4.8) Incomplete Cleanup vulnerability in openssh Ubuntu. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.4% of scored vulnerabilities.

Overall risk
19/100
0100
Low · default modelHow is this calculated?
CVSS score
4.8/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.18%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-10-2026
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

A flaw was found in OpenSSH. With GSSAPI authentication enabled, a failed GSSAPI attempt can leave delegated credentials stored for the connection even though user authorization did not succeed. A later successful login on that connection is not authorized by the leftover state.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

16-10-202620-10-2026
EPSS score
0.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu3 products
  • opensshAll versions (No fix recorded)
  • openssh-gssapiAll versions (No fix recorded)
  • openssh-ssh1All versions (No fix recorded)

1 vendor · 3 products

References

4 links