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Vulnerability record · CVE-2026-80184 · published 25 August 2026

CVE-2026-80184: Incorrect authorization vulnerability

In OpenStack Keystone before 29.0.3, tokens obtained via delegated authentication mechanisms (OAuth1 access tokens, application credentials, trusts) could be submitted to the token-method authentication path for reauthentication to escape their intended project scope. When an application credential token was presented with no explicit scope, Keystone would issue a new token scoped to the credential owner's default project rather than the project for which the credential was issued, bypassing the intended project boundary. All Keystone deployments that permit delegated authentication through OAuth1 access tokens, application credentials, or trusts are affected.

7.6 CVSS 4.0 High EPSS 0.60% · top 53.4% CWE-863 · Incorrect authorization Awaiting Analysis
7.6CVSS 4.0 base score
0.60%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
3 Sep 2026Last modified by NVD

Description

In OpenStack Keystone before 29.0.3, tokens obtained via delegated authentication mechanisms (OAuth1 access tokens, application credentials, trusts) could be submitted to the token-method authentication path for reauthentication to escape their intended project scope. When an application credential token was presented with no explicit scope, Keystone would issue a new token scoped to the credential owner's default project rather than the project for which the credential was issued, bypassing the intended project boundary. All Keystone deployments that permit delegated authentication through OAuth1 access tokens, application credentials, or trusts are affected.

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://launchpad.net/bugs/2158538
https://security.openstack.org/ossa/OSSA-2026-037.html
https://www.openwall.com/lists/oss-security/2026/08/25/5
https://bugs.launchpad.net/keystone/+bug/2158538

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Source: NIST National Vulnerability Database (record CVE-2026-80184), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.