CVE-2026-56858 Affecting opentelemetry-collector package, versions <0:0.152.1-2.el9_8


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.31% (24th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ROCKY9-OPENTELEMETRYCOLLECTOR-19661039
  • published10 Sept 2026
  • disclosed13 Aug 2026

Introduced: 13 Aug 2026

CVE-2026-56858  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 opentelemetry-collector to version 0:0.152.1-2.el9_8 or higher.
This issue was patched in RLSA-2026:65117.

NVD Description

Note: Versions mentioned in the description apply only to the upstream opentelemetry-collector package and not the opentelemetry-collector package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:9 relevant fixed versions and status.

Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS.

CVSS Base Scores

version 3.1