CVE-2026-41052 json
Rancher Privilege Escalation from Project Owner to Host
published 4mo ago modified 15d ago also GHSA-vx8h-4prv-g744 , GO-2026-5876 , EUVD-2026-40130
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 36%
- public exploits
- 0
- none known
Summary
Improper privilege handling could be used by users with Project Owner role to escalate privileges, in Rancher versions 2.14 before 2.14.2, 2.13 before 2.13.6, and 2.12 before 2.12.10.
Patch / fix
- go github.com/rancher/rancher 0.0.0-20260513182521-2800aaac25b5, 2.12.10, 2.13.6, 2.14.2
- SUSE Rancher 2.12.10, 2.13.6, 2.14.2
- govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1
opensuse advisories openSUSE-SU-2026:21483-1
Is CVE-2026-41052 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 4mo ago
Exploit prediction
0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.4 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H |
| CNA | 4.0 | 9.4 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 8.4 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/rancher/rancher | >=2.14.0, <2.14.2 >=2.13.0, <2.13.6 >=2.12.0, <2.12.10 <0.0.0-20260513182521-2800aaac25b5 |
2.14.2 2.13.6 2.12.10 0.0.0-20260513182521-2800aaac25b5 |
Affected products
- SUSE Rancher
Classification
- Weakness
-
- CWE-305 Authentication Bypass by Primary Weakness
References
-
github.com
/rancher/rancher/security/advisories/GHSA-vx8h-4prv-g744
vendor-advisory, web, patch, advisory
-
github.com
/rancher/rancher/pull/55061
web, patch
-
github.com
/rancher/rancher/commit/2800aaac25b5a2c448f800e1f46d
web, patch
-
nvd.nist.gov
/vuln/detail/CVE-2026-41052
advisory
-
github.com
/rancher/rancher
package
Sources
- CVE List CVE-2026-41052
- GitHub Advisory GHSA-vx8h-4prv-g744
- NVD CVE-2026-41052
- OSV GO-2026-5876
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