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.

INFO

Published Date :

2026-03-26T21:39:46.928Z

Last Modified :

2026-03-27T14:28:55.765Z

Source :

GRAFANA
AFFECTED PRODUCTS

The following products are affected by CVE-2026-28377 vulnerability.

Vendors Products
Grafana
  • Tempo
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-28377.

URL Resource
https://grafana.com/security/security-advisories/cve-2026-28377 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-28377 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-28377 cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact