Bug 2451990 (CVE-2026-28377) - CVE-2026-28377 Grafana Tempo: Grafana Tempo: Information disclosure of S3 encryption key via status config endpoint
Summary: CVE-2026-28377 Grafana Tempo: Grafana Tempo: Information disclosure of S3 enc...
Keywords:
Status: NEW
Alias: CVE-2026-28377
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-03-26 22:02 UTC by OSIDB Bzimport
Modified: 2026-03-27 08:34 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2026-03-26 22:02:33 UTC 
A vulnerability in Grafana Tempo exposes the S3 SSE-C encryption key in plaintext through the /status/config endpoint, potentially allowing unauthorized users to obtain the key used to encrypt trace data stored in S3.

Thanks to william_goodfellow for reporting this vulnerability.
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