Exposure of repository credentials to external third-party sources
Priority LOW 34CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass, Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-863 and CWE-200.
Summary
A Incorrect Authorization vulnerability in SUSE Rancher allows administrators of third-party repositories to gather credentials that are sent to their servers. This issue affects: SUSE Rancher Rancher versions prior to 2.5.12; Rancher versions prior to 2.6.3.
Why it matters now
EPSS 0.00756 55th percentileScored 2026-11-07
Fix Fixed Rancher (SUSE): 2.5.12, 2.6.3github.com/rancher/rancher (Go): 2.6.3, 2.5.12
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SUSE | Rancher | Rancher to before 2.5.12 | 2.5.12 | Patch available | CNA |
| SUSE | Rancher | Rancher to before 2.6.3 | 2.6.3 | Patch available | CNA |
| — | github.com/rancher/rancher (Go) | 2.6.0 to before 2.6.3 | 2.6.3 | Patch available | GHSA-4fc7-hc63-7fjg |
| — | github.com/rancher/rancher (Go) | 2.5.0 to before 2.5.12 | 2.5.12 | Patch available | GHSA-4fc7-hc63-7fjg |
- Rancher VendorSUSE Affected Rancher to before 2.5.12 Fixed in 2.5.12 Patch available CNA
- Rancher VendorSUSE Affected Rancher to before 2.6.3 Fixed in 2.6.3 Patch available CNA
- github.com/rancher/rancher (Go) Vendor— Affected 2.6.0 to before 2.6.3 Fixed in 2.6.3 Patch available GHSA-4fc7-hc63-7fjg
- github.com/rancher/rancher (Go) Vendor— Affected 2.5.0 to before 2.5.12 Fixed in 2.5.12 Patch available GHSA-4fc7-hc63-7fjg
Remediation
- Fix · CNA Rancher (SUSE) Fixed in 2.5.12
- Fix · CNA Rancher (SUSE) Fixed in 2.6.3
- Fix · GHSA-4fc7-hc63-7fjg github.com/rancher/rancher (Go) Fixed in 2.6.3 Advisory →
- Fix · GHSA-4fc7-hc63-7fjg github.com/rancher/rancher (Go) Fixed in 2.5.12 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-36778
- 2026-10-03 Alias added: GHSA-4fc7-hc63-7fjg
References
More SUSE Rancher vulnerabilities
- TI-2021-14903 Rancher: Plaintext storage and exposure of credentials in Rancher API and cluster.management.cattle.io object CVSS 3.1CRITICAL 9.9
- TI-2022-21489 Rancher: Non-random authentication token CVSS 3.1CRITICAL 9.8
- TI-2019-08380 An issue was discovered that affects the following versions of Rancher: v2.0.0 through… CVSS 3.0CRITICAL 9.8
- TI-2023-08827 Improper privilege management in SUSE Rancher CVSS 3.1CRITICAL 9.9
- TI-2023-08823 Improper privilege management in SUSE Rancher CVSS 3.1CRITICAL 9.9
- TI-2022-21491 Rancher: Exposure of sensitive fields CVSS 3.1CRITICAL 9.9
Sources
- CVE-2021-36778 · CVE Program
- CVE-2021-36778 · NVD
- FIRST EPSS
- GHSA-4fc7-hc63-7fjg · 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