CVE-2026-32289: Go standard library html/template · Cross-site Scripting
Affects Go standard library html/templateSource CVE Database V5
Not known to be exploited · CVSS 6.1 Medium : upgrade to 1.26.2 or 1.25.9 when convenient.
Data as of 30 Oct 2026, 06:59 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 21% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.26.2, 1.25.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 8 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Upgrade Go standard library html/template to 1.26.2 or 1.25.9.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Go standard libraryhtml/template | Affected
| Fixed in
|
| Go standard libraryhtml/template | Affected
| Fixed in
|
Gohtml/templatepkg:golang/html/templateOther threats | Affected
| Fixed in
|
Gogithub.com/golang/go/src/html/templatepkg:golang/github.com/golang/go/src/html/templateOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
If you cannot patch yet, careful review and sanitization of template inputs and avoidance of risky template branches in JavaScript literals may reduce exposure.
Description
CVE-2026-32289 is a medium severity cross-site scripting (XSS) vulnerability in the Go standard library's html/template package. It arises from improper escaping of content within JavaScript template literals due to incorrect context tracking and brace depth handling. This flaw can lead to XSS when template branches are used. The vulnerability affects Go versions up to and including 1.26.0-0.