PT-2026-53458 · Pypi · Keystone

Published 2026-06-29 · Updated 2026-06-29

OSV

CVSS v3.1

9.1

Critical

Base vector

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

A flaw was found in openstack-keystone, only the first 72 characters of an application secret are verified allowing attackers bypass some password complexity which administrators may be counting on. The highest threat from this vulnerability is to data confidentiality and integrity. A patch is available.

Fix

Related Identifiers

PYSEC-2026-370

Affected Products

Keystone

References · 14

• https://security-tracker.debian.org/tracker/CVE-2021-3563 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3563 · Security Note
• https://osv.dev/vulnerability/PYSEC-2026-370 · Vendor Advisory
• https://review.opendev.org/c/openstack/keystone/+/856489 · Note
• https://lists.debian.org/debian-lts-announce/2024/01/msg00007.html · Note
• https://review.opendev.org/c/openstack/keystone/+/803641 · Note
• https://bugs.launchpad.net/ossa/+bug/1901891 · Note
• https://access.redhat.com/security/cve/CVE-2021-3563 · Note
• https://github.com/advisories/GHSA-cc99-whm5-mmq3 · Note
• https://pypi.org/project/keystone · Note
• https://opendev.org/openstack/keystone/commit/7859ed26003858ebfd9a5e866b43f1a6a9e83dca · Note
• https://opendev.org/openstack/keystone · Note
• https://review.opendev.org/c/openstack/keystone/+/828595 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=1962908 · Note