Kurz gesagt
- CVE-2026-39823 ist eine Schwachstelle (MITTEL (CVSS 6.1)) in stdlib, go (golang).
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 0.31%, höher als bei 24.4% aller Schwachstellen.
- Abhilfe: auf 1.26.3, 1.25.10 oder neuer aktualisieren.
| Package | Affected versions | Patched versions |
|---|
| stdlib Go | ≥ 1.26.0-0, < 1.26.3< 1.25.10
| 1.26.31.25.10
|
| go | ≥ 1.26.0, < 1.26.3< 1.25.10
| 1.26.31.25.10
|
Description
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.
NVD description
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.
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