EUVD-2026-78414
GHSA-847j-gj2f-78j9
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/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
Primary rating from Vendor (VulnCheck) · only source for this CVE.
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
2DescriptionCVE.org
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.
AnalysisAI
KubeSphere 4.1.3 and earlier ship a git credential verification endpoint that fetches caller-supplied URLs without any allowlist validation, letting an authenticated user point the server at internal services and capture the basic-auth credentials returned in the endpoint's error handling. The flaw is a classic CWE-918 SSRF that escalates into cross-namespace Secret disclosure because the leaked responses can expose credentials stored in any namespace. …
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More in Kubesphere
View allSame weakness CWE-918 – Server-Side Request Forgery (SSRF)
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External POC / Exploit Code
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