CVE-2025-13281: kubernetes Server-Side Request Forgery (SSRF)
Vulnerability summary
CVE-2025-13281 is a medium (CVSS 5.8) Server-Side Request Forgery (SSRF) vulnerability in kubernetes. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.4% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 2 · Related 12Timeline
- 14-12-2025PublishedVulnerability first disclosed.
- 15-12-2025Last modifiedVulnerability information updated.
Description
A half-blind Server Side Request Forgery (SSRF) vulnerability exists in kube-controller-manager when using the in-tree Portworx StorageClass. This vulnerability allows authorized users to leak arbitrary information from unprotected endpoints in the control plane’s host network (including link-local or loopback services).
CVSS metrics
6 scores · 6 sources · 1 version- OSV · DebianEcosystem advisory · calculated5.8MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
- OSV · WolfiEcosystem advisory · calculated5.8MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
- OSV · GoEcosystem advisory · calculated5.8MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
- OSV · ChainguardEcosystem advisory · calculated5.8MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
- NVDNIST5.8MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
EPSS trend
Probability
0.39%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
0.00 pp
From 0.39% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard200 products
- argo-cd-2.13All versions (No fix recorded)
- argo-cd-2.13-compatAll versions (No fix recorded)
- argo-cd-2.14All versions (No fix recorded)
- argo-cd-2.14-compatAll versions (No fix recorded)
- argo-cd-3.0< 3.0.20-r8
1 vendor · 200 products · Showing 200 of 362. Use Open JSON for the complete list.