CVE-2026-56858 Affecting golang-misc package, versions <0:1.26.7-1.el9_8


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.31% (24th percentile)

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  • Snyk IDSNYK-ALMALINUX9-GOLANGMISC-19401882
  • published28 Aug 2026
  • disclosed22 Sept 2026

Introduced: 28 Aug 2026

CVE-2026-56858  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 golang-misc to version 0:1.26.7-1.el9_8 or higher.
This issue was patched in ALSA-2026:60304.

NVD Description

Note: Versions mentioned in the description apply only to the upstream golang-misc package and not the golang-misc package as distributed by AlmaLinux. See How to fix? for AlmaLinux: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.

References

CVSS Base Scores

version 3.1