Detections
Analytics

SCA: security update for lemur (GHSA-3r34-vq8m-39gh)

high Tenable Self-Hosted Container Security Plugin ID 441323

Description

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

 - Lemur manages TLS certificate creation. Prior to 1.9.0, Lemur's LDAP authentication module
 (lemur/auth/ldap.py) constructs LDAP search filters using unsanitized user input via Python string
 interpolation. An authenticated LDAP user can inject LDAP filter metacharacters through the username field
 to manipulate group membership queries and escalate their privileges to administrator. This vulnerability
 is fixed in 1.9.0. (CVE-2026-44304)

Solution

Update the lemur library and its related packages to version 1.9.0 or later.

See Also

https://github.com/advisories/GHSA-3r34-vq8m-39gh

Plugin Details

Severity: High

ID: 441323

Version: Revision 1.8

Type: Local

Family: SCA Checks

Published: 5/7/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.64

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2026-44304

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/6/2026

Vulnerability Publication Date: 5/6/2026

Reference Information

CVE: CVE-2026-44304

cwe: CWE-90