Grafana Tempo has Inadequate Encryption Strength
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.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-28377US | —OT elevated | — | ||
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 use… | ||||
02
references
External citations — patches, advisories, analysis.
- https://github.com/advisories/GHSA-ffqx-q65f-36jfADVISORY
- https://github.com/grafana/tempoPACKAGE
- https://github.com/grafana/tempo/blob/4dc3e5b0d3463a0b67498b662b85a148698b4afd/CHANGELOG.md?plain=1#L135WEB
- https://github.com/grafana/tempo/commit/bb8ca663db34a0980c9758b40d918fda3b4dbec3WEB
- https://grafana.com/security/security-advisories/cve-2026-28377WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-28377ADVISORY
scry
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