Detections
Analytics

SCA: security update for github.com/dadrus/heimdall (GHSA-72h4-mxfc-jx37)

high Tenable Cloud Security Plugin ID 440897

Description

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

 - Heimdall is a cloud native Identity Aware Proxy and Access Control Decision service. Prior to version
 0.17.14, Heimdall performs host matching in a case-sensitive manner, while HTTP hostnames are case-
 insensitive. This discrepancy can result in heimdall failing to match a rule for a request host that
 differs only in letter casing, potentially causing the request to be classified differently than intended.
 This issue has been patched in version 0.17.14. (CVE-2026-42273)

Solution

Update the github.com/dadrus/heimdall library and its related packages to version 0.17.14 or later.

See Also

https://github.com/advisories/GHSA-72h4-mxfc-jx37

Plugin Details

Severity: High

ID: 440897

Version: Revision 1.11

Type: Local

Family: SCA Checks

Published: 4/26/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.63

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-42273

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

CVSS v4

Risk Factor: High

Base Score: 7.8

Threat Score: 7.8

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 4/25/2026

Vulnerability Publication Date: 4/25/2026

Reference Information

CVE: CVE-2026-42273