SCA: security update for github.com/grafana/tempo (GHSA-ffqx-q65f-36jf)

high Tenable Self-Hosted Container Security Plugin ID 441441

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. (CVE-2026-28377)

Solution

Update the github.com/grafana/tempo library and its related packages to version 2.10.3 or later.

See Also

https://github.com/advisories/GHSA-ffqx-q65f-36jf

Plugin Details

Severity: High

ID: 441441

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 5/7/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.87

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2026-28377

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 3/27/2026

Vulnerability Publication Date: 3/26/2026

Reference Information

CVE: CVE-2026-28377

cwe: CWE-326