CVE-2026-94439: Red Hat HTTP request smuggling via improper handling of HTTP/1 CONNECT responses
This Red Hat advisory covers CVE-2026-94439. Related products: Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 10.
Key facts
- Vendor rating
- Medium, CVSS 6.5
- CISA KEV
- Not listed (catalogue checked )
- Fixed in
- go-toolset:rhel8-8080020261020152326.6b4b45d8, golang-0:1.26.10-1.el9_8, golang-0:1.26.10-1.el9_6 and 8 more below
- Source published
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Related products & platforms
Description
HTTP request smuggling via improper handling of HTTP/1 CONNECT responses. Red Hat rates this moderate (CVSS 6.5).
Weakness: CWE-444. Red Hat lists fixing advisory RHSA-2026:90994 with package go-toolset:rhel8-8080020261020152326.6b4b45d8, golang-0:1.26.10-1.el9_8, golang-0:1.26.10-1.el9_6, golang-0:1.26.10-1.el9_4.
Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10.
Text from the source record.
How to fix CVE-2026-94439
Upgrade to a fixed release named by Red Hat:
- go-toolset:rhel8-8080020261020152326.6b4b45d8
- golang-0:1.26.10-1.el9_8
- golang-0:1.26.10-1.el9_6
- golang-0:1.26.10-1.el9_4
- golang-0:1.26.10-1.el9_2
- go-toolset:rhel8-8100020261020054335.a3795dee
- go-toolset:rhel8-8040020261027035356.522a0ee4
- go-toolset:rhel8-8060020261020153812.97d7f71f
- golang-0:1.26.10-1.el10_2
- golang-0:1.26.10-1.el10_0
- RHSA-2026:90994
CVE-2026-94439 in other vendors' advisories
- Veeam: KB4825
More Red Hat Linux advisories
CVE-2026-111497Oct 22, 2026Out-of-Bounds Write in Google Brotli DecoderCVE-2026-109619Oct 21, 2026fatal error handling retains stale request state leading to use-after-freeCVE-2026-109618Oct 21, 2026OOM bailout during request parsing leads to memory corruption and RCECVE-2026-123158Nov 5, 2026Password authentication bypass via password hash misinterpretationCVE-2026-119977Oct 31, 2026Arbitrary code execution via predictable upgrade staging pathsCVE-2026-97229Oct 13, 2026integer overflow issue in CI/CD regular expression compiler
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