CVE-2026-22797 is a critical vulnerability affecting OpenStack keystonemiddleware versions 10.5 through 10.7 (before 10.7.2), 10.8 and 10.9 (before 10.9.1), and 10.10 through 10.12 (before 10.12.1). The external_oauth2_token middleware fails to properly sanitize incoming authentication headers, allowing authenticated attackers to forge identity headers. This vulnerability carries a CVSS score of 9.9 (Critical) due to its network-based attack vector, low attack complexity, and high potential for privilege escalation, user impersonation, and impact on confidentiality, integrity, and availability. All deployments utilizing the external_oauth2_token middleware are at risk. There is currently no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB. Despite this, the vulnerability has garnered significant community discussion, with 11 mentions, indicating a high level of awareness among cybersecurity professionals.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 10.10.0, < 10.12.1CPE match | cpe:2.3:a:openstack:keystonemiddleware:*:*:*:*:*:*:*:* | ||
>= 10.5.0, < 10.7.2CPE match | cpe:2.3:a:openstack:keystonemiddleware:*:*:*:*:*:*:*:* | ||
>= 10.8.0, < 10.9.1CPE match | cpe:2.3:a:openstack:keystonemiddleware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 1.0 Bluesky, 0.5 Mastodon, and 1.6 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.