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High

KubeSphere through 4.1.3 SSRF via git credential verification endpoint

Type: advisorySource: Official CVE List1 source record

KubeSphere through 4.1.3 contains a server-side request forgery vulnerability in the git credential verification endpoint that accepts unvalidated caller-supplied URLs without allowlist restrictions. Authenticated attackers can supply arbitrary URLs to reach internal services and exfiltrate basic-auth credentials from Secrets in any namespace by leveraging the endpoint's error response handling.

Announced Source revision 1
Original source ↗

CVE-2026-91923

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-91923

kubesphere

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "kubesphere",
    "product": "kubesphere",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "4.1.3"
      }
    ],
    "packageURL": "pkg:golang/kubesphere.io/kubesphere",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-91923

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#1669 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement