Cross-site Scripting (XSS) Affecting golang-src package, versions <0:1.26.3-1.0.1.el9_8


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.31% (23rd percentile)

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  • Snyk IDSNYK-ORACLE9-GOLANGSRC-17495688
  • published25 Jun 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

CVE-2026-39823  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade Oracle:9 golang-src to version 0:1.26.3-1.0.1.el9_8 or higher.
This issue was patched in ELSA-2026-22121.

NVD Description

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

CVE-2026-27142 fixed a vulnerability in which URLs were not correctly escaped inside of a <meta> tag's <content> attribute. If the URL content were to insert ASCII whitespaces around the '=' rune inside of the <content> attribute, the escaper would fail to similarly escape it, leading to XSS.

CVSS Base Scores

version 3.1