Bug 2565005

Summary: CVE-2026-119566 mockery: Prometheus: Information disclosure via HTTP redirects in remote write requests [fedora-43]
Product: [Fedora] Fedora Reporter: Ronit Dey <rdey>
Component: mockeryAssignee: Brad Smith <bradley.g.smith>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: 43CC: bradley.g.smith, go-sig
Target Milestone: ---Keywords: Security, SecurityTracking
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Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["25196e4a-5954-423a-a8be-c008c0f98185"]}
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On:    
Bug Blocks: 2563959    

Description Ronit Dey 2026-11-02 10:30:50 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Prometheus through 3.15.1 contains a credential leak vulnerability that allows attackers to capture Azure AD or Google IAM bearer tokens by redirecting remote_write requests to another host. Attackers controlling the remote-write endpoint or a redirecting server can return a 3xx to their host and replay the token, for example to write metrics to the victim's backend.