Echo: github.com/grafana/tempo: security update to 1.5.1-0.20260303204923-b13f74291d48

medium Tenable Cloud Security Plugin ID 464837

Description

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

- A TraceQL query in Grafana Tempo with a large exemplars hint value can cause the Tempo instance to
allocate an excessive amount of memory, resulting in an out-of-memory crash. This could allow an
authenticated user to trigger a denial of service against the Tempo service. (CVE-2026-27878)

Solution

Update the github.com/grafana/tempo library and its related packages to version 1.5.1-0.20260303204923-b13f74291d48 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-27878

Plugin Details

Severity: Medium

ID: 464837

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/3/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.72

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-27878

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/28/2026

Vulnerability Publication Date: 6/19/2026

Reference Information

CVE: CVE-2026-27878