Detections
Analytics

Echo: github.com/grafana/tempo: security update to 2.8.4

high Tenable Self-Hosted Container Security Plugin ID 458633

Description

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

 - Tempo queries with large limits can cause large memory allocations which can impact the availability of
 the service, depending on its deployment strategy. Mitigation can be done by setting max_result_limit in
 the search config, e.g. to 262144 (2^18). Alternatively, automatically restart the service.
 (CVE-2026-21728)

Solution

Update the github.com/grafana/tempo library and its related packages to version 2.8.4 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-21728

Plugin Details

Severity: High

ID: 458633

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: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-21728

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: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: 4/24/2026

Reference Information

CVE: CVE-2026-21728