GHSA-ffqx-q65f-36jf

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    GHSA-ffqx-q65f-36jf

    Published: 27 Mar 2026Last Modified: 10 Sept 2026

    Summary: Grafana Tempo has Inadequate Encryption Strength

    Details: 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.

    References: https://nvd.nist.gov/vuln/detail/CVE-2026-28377, https://github.com/grafana/tempo/commit/bb8ca663db34a0980c9758b40d918fda3b4dbec3, https://github.com/advisories/GHSA-ffqx-q65f-36jf, https://github.com/grafana/tempo, https://github.com/grafana/tempo/blob/4dc3e5b0d3463a0b67498b662b85a148698b4afd/CHANGELOG.md?plain=1#L135, https://grafana.com/security/security-advisories/cve-2026-28377

    Affected packages

    Package

    Name: github.com/grafana/tempo

    Purl: pkg:golang/github.com/grafana/tempo

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -2.10.3

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-ffqx-q65f-36jf | CVE-DB