CVE-2026-22797

Name	CVE-2026-22797
Description	Privilege Escalation via Identity Headers in External OAuth2 Tokens
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1125680

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
python-keystonemiddleware (PTS)	bullseye	9.1.0-2	fixed
	bookworm	10.1.0-4	fixed
	trixie	10.9.0-2	vulnerable
	forky	10.12.0-2	vulnerable
	sid	10.12.0-3	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Debian Bugs
python-keystonemiddleware	source	bullseye	(not affected)
python-keystonemiddleware	source	bookworm	(not affected)
python-keystonemiddleware	source	(unstable)	(unfixed)	1125680

Notes

[bookworm] - python-keystonemiddleware <not-affected> (Vulnerable code not present)
[bullseye] - python-keystonemiddleware <not-affected> (Vulnerable code not present)
https://www.openwall.com/lists/oss-security/2026/01/15/1
https://bugs.launchpad.net/keystonemiddleware/+bug/2129018