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CVE-2026-28377

Grafana Tempo

Description

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.

CVSS 7.5EPSS 0.155%Risk 0.76
View source
Published
2026-03-26 22:16:28
Affected versions
unknown
Type
Core software
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N