Search/CVE-2026-15723
● CVE — High

CVE-2026-15723

DiscoveredOct 22, 2026UpdatedOct 22, 2026

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.1 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, when OmniAuth SAML and LDAP auto-linking were both enabled, an authenticated user could have taken over an existing LDAP-backed account without any interaction from the targeted user, due to improper input sanitization in the LDAP email lookup path used during OmniAuth identity linking.

CVSS v3.1
8.2 HIGH
EPSS
—%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
1
sources referencing this CVE
Related IOCs
0
seen in the same coverage
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityHIGH
Privileges RequiredLOW
User InteractionNONE
ScopeCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityNONE
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Connections
3 relationships
Timeline
disclosure → media coverage
Oct 22, 2026
Disclosure — published as a CVE record.
Oct 22, 2026
advisories.ncsc.nl reports: NCSC-2026-0447 [1.00] [M/H] Kwetsbaarheden verholpen in GitLab door GitLab Inc.