What is CVE-2026-44304?

CVE-2026-44304 is a high-severity vulnerability in Netflix Lemur, classified under LDAP Injection. CVSS score: 8.1/10. Published 2026-05-12.

How severe is CVE-2026-44304?

High severity. CVSS v3 base score is 8.1 out of 10.

LDAP Injection in Netflix Lemur

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 input via Python string interpolation. An authenticated LDAP user can inj…

EPSS: 0.000 (6.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Netflix Lemur — versions < 1.9.0

Weakness classification (CWE)

CWE-90 — LDAP Injection

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-44304?: CVE-2026-44304 is a high-severity vulnerability in Netflix Lemur, classified under LDAP Injection. CVSS score: 8.1/10. Published 2026-05-12.
How severe is CVE-2026-44304?: High severity. CVSS v3 base score is 8.1 out of 10.