Vulnerabilities

Vulnerability · CVE-2026-97030

A trusted template author may have previously written a valid template wherein the use of the 'yield' keyword would not be correctly escaped.

Published Oct 8, 2026 · catalog updated Oct 16, 2026 · A trusted template author

Check if you run it

No confirmed exploitation is on record for CVE-2026-97030. EPSS is 0.20%. Act only if a listed version of A trusted template author is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A trusted template author).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.20%
Remediation
Not established
Affected products
Go stdlib

A trusted template author may have previously written a valid template wherein the use of the 'yield' keyword would not be correctly escaped. We now ensure that valid keyword uses are escaped and non-keyword uses are not escaped.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Go stdlib0 → 1.26.9

How to fix CVE-2026-97030

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-97030. EPSS is 0.20%. Act only if a listed version of A trusted template author is installed.

Which versions are affected?

Compare what you have installed with 0 → 1.26.9. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.20%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 8, 2026 · NIST NVD

    Detected

    A trusted template author may have previously written a valid template wherein the use of the 'yield' keyword would not be correctly escaped. We now ensure that valid keyword uses are escaped and non-keyword uses are not escaped.

  2. Oct 15, 2026 · NIST NVD

    Updated

    A trusted template author may have previously written a valid template wherein the use of the 'yield' keyword would not be correctly escaped. We now ensure that valid keyword uses are escaped and non-keyword uses are not escaped.

  3. Oct 16, 2026 · Go Vulnerability Database

    Fix available

    stdlib fixed in 1.26.9

  4. Oct 16, 2026 · Go Vulnerability Database

    Fix available

    stdlib fixed in 1.26.9

  5. Oct 16, 2026 · Go Vulnerability Database

    Updated

    A trusted template author may have previously written a valid template wherein the use of the 'yield' keyword would not be correctly escaped. We now ensure that valid keyword uses are escaped and non-keyword uses are not escaped.

Sources

  • CVE.orgVulnerability recordCVE-2026-97030

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-97030

    30-day exploitation probability 0.2%

    first.org
  • Go Vulnerability DatabasePackage advisoryGO-2026-6600

    Recognize yield as regexp preceder keyword in html/template

    osv.dev
  • NIST NVDVulnerability recordCVE-2026-97030

    A trusted template author may have previously written a valid template wherein the use of the 'yield' keyword would not be correctly escaped. We now ensure that valid keyword uses are escaped and non-keyword uses are not escaped.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.