Detections
Analytics

SCA: security update for github.com/caddyserver/caddy/v2/modules/caddyhttp/reverseproxy (GHSA-7r4p-vjf4-gxv4)

high Tenable Cloud Security Plugin ID 438518

Description

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

 - Caddy is an extensible server platform that uses TLS by default. From version 2.10.0 to before version
 2.11.2, forward_auth copy_headers does not strip client-supplied headers, allowing identity injection and
 privilege escalation. This issue has been patched in version 2.11.2. (CVE-2026-30851)

Solution

Update the github.com/caddyserver/caddy/v2/modules/caddyhttp/reverseproxy library and its related packages to version 2.11.2 or later.

See Also

https://github.com/advisories/GHSA-7r4p-vjf4-gxv4

Plugin Details

Severity: High

ID: 438518

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 3/9/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.04

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 7

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

CVSS Score Source: CVE-2026-30851

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/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: 3/6/2026

Vulnerability Publication Date: 3/6/2026

Reference Information

CVE: CVE-2026-30851