CVE-2026-78660 Affecting go1.26-doc package, versions <1.26.9-150000.1.33.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.3% (22nd percentile)

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  • Snyk IDSNYK-SLES154-GO126DOC-20875480
  • published13 Oct 2026
  • disclosed12 Oct 2026

Introduced: 12 Oct 2026

NewCVE-2026-78660  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 go1.26-doc to version 1.26.9-150000.1.33.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream go1.26-doc package and not the go1.26-doc package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

Historically, we have been rather lax about malformed framing-related headers in our HTTP/2 implementation, as they cannot interfere with HTTP/2 framing. However, this makes it possible for our HTTP/2 implementation to forward responses containing such headers to an HTTP/1 client when acting as a reverse proxy. If the HTTP/1 client also does not behave strictly enough, this can result in response smuggling.

CVSS Base Scores

version 3.1