Detections
Analytics

SCA: security update for h3 (GHSA-mp2g-9vg9-f4cg)

critical Tenable Self-Hosted Container Security Plugin ID 436798

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - H3 is a minimal H(TTP) framework built for high performance and portability. Prior to 1.15.5, there is a
 critical HTTP Request Smuggling vulnerability. readRawBody is doing a strict case-sensitive check for the
 Transfer-Encoding header. It explicitly looks for "chunked", but per the RFC, this header should be case-
 insensitive. This vulnerability is fixed in 1.15.5. (CVE-2026-23527)

See Also

https://github.com/advisories/GHSA-mp2g-9vg9-f4cg

Plugin Details

Severity: Critical

ID: 436798

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 1/16/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.88

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-23527

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/15/2026

Vulnerability Publication Date: 1/15/2026

Reference Information

CVE: CVE-2026-23527

cwe: CWE-444