Rancher does not automatically clean up a user deleted or disabled from the configured Authentication Provider
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-287.
Summary
A vulnerability has been identified in which Rancher does not automatically clean up a user which has been deleted from the configured authentication provider (AP). This characteristic also applies to disabled or revoked users, Rancher will not reflect these modifications which may leave the user’s tokens still usable.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SUSE | rancher | 2.7.0 to before 2.7.14; 2.8.0 to before 2.8.5 | 2.7.14, 2.8.5 | Patch available | CNA |
| — | github.com/rancher/rancher (Go) | 2.7.0 to before 2.7.14 | 2.7.14 | Patch available | GHSA-9ghh-mmcq-8phc |
| — | github.com/rancher/rancher (Go) | 2.8.0 to before 2.8.5 | 2.8.5 | Patch available | GHSA-9ghh-mmcq-8phc |
- rancher VendorSUSE Affected 2.7.0 to before 2.7.14; 2.8.0 to before 2.8.5 Fixed in 2.7.14, 2.8.5 Patch available CNA
- github.com/rancher/rancher (Go) Vendor— Affected 2.7.0 to before 2.7.14 Fixed in 2.7.14 Patch available GHSA-9ghh-mmcq-8phc
- github.com/rancher/rancher (Go) Vendor— Affected 2.8.0 to before 2.8.5 Fixed in 2.8.5 Patch available GHSA-9ghh-mmcq-8phc
Remediation
- Fix · CNA rancher (SUSE) Fixed in 2.7.14, 2.8.5
- Fix · GHSA-9ghh-mmcq-8phc github.com/rancher/rancher (Go) Fixed in 2.7.14 Advisory →
- Fix · GHSA-9ghh-mmcq-8phc github.com/rancher/rancher (Go) Fixed in 2.8.5 Advisory →
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
SUSE rancher 2.7.14, 2.8.5
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2023-15496 Rancher's External RoleTemplates can lead to privilege escalationPriority LOW 36
- TI-2024-14652 Rancher's RKE1 Encryption Config kept in plain-text within cluster AppliedSpecPriority LOW 31
Timeline
- 2026-10-02 Threatist record created from CVE-2023-22650
- 2026-10-03 Alias added: GHSA-9ghh-mmcq-8phc
References
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- TI-2015-04298 Use-after-free vulnerability in the ByteArray class in the ActionScript 3 (AS3)… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-22650 · CVE Program
- CVE-2023-22650 · NVD
- FIRST EPSS
- GHSA-9ghh-mmcq-8phc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences