CVE-2026-28377
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Mar 26, 2026
Vendor
unknown
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.