CVE-2026-44304Disclosure

LOWCVSS 8.1 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-90

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • General: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-05-12); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-05-12: 1Mentions · 2026-05-13: 1Technical Details · 2026-05-12: 1Technical Details · 2026-05-13: 105-1205-13
Signal classification2 categories
Disclosure
150.0%
General
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-05-121
Disclosure1
2026-05-131
General1
Full discourse2 posts
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-44304 LDAP Injection in Lemur TLS Certificate Management Prior to 1.9.0 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-44304

    Post summary

    A brief reference to CVE-2026-44304, noting it as an LDAP Injection in Lemur TLS Certificate Management before version 1.9.0, with a link to a vulnerability detail page. No additional exploit, patch, or active use information is provided.

    0000043
    4.0K followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-44304 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 … https://www.cve.org/CVERecord?id=CVE-2026-44304

    Post summary

    The message announces CVE-2026-44304, noting unsanitized LDAP search filter construction in Lemur's LDAP module, but does not provide a PoC, exploit, patch, or evidence of active exploitation.

    0000052
    57.5K followersView on X

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