CVE-2026-49443

HIGH

CVSS v3.1: 8.8

NetworkNo user interactionImproper AuthenticationVendor advisory ref

Source data as of:

At a glance

Severity
HIGH
CVSS
8.8 v3.1 · NVD
EPSS
EPSS not provided by FIRST.org for this CVE
CISA KEV
No
Type
Improper Authentication · NVD CWE
Attack conditions (CVSS vector)
NetworkNo user interaction · Source: NVD Vector
Published
2026-06-02 · Modified: 2026-06-02
References
Jump to references (1)

CVSS / EPSS / KEV

CVSS v3.1 8.8 / 10 HIGH Source: NVD
EPSS — EPSS not provided by FIRST.org for this CVE Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

Description

authentik is an open-source identity provider. Prior to versions 2025.12.6, 2026.2.4, and 2026.5.1, an attacker with the ability to change a source connection, and an account in one of the configured sources can log into any account. This issue has been patched in versions 2025.12.6, 2026.2.4, and 2026.5.1.

Record details

CVE ID
CVE-2026-49443
CVSS (v3.1)
8.8 (HIGH)
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability subscore
2.8
Impact subscore
5.9
CISA KEV
No
Weakness (CWE)
CWE-287
Affected configurations (CPE)
0
Published
2026-06-02
Modified
2026-06-02
Status
Received

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.

Related records

Other records sharing a factual facet, for cross-reference. A descriptive neighbourhood — ordering does not imply priority and is not a recommendation.

Same weakness type (CWE)

CVE-2016-9361 CRITICAL CVSS 9.8 CVE-2016-9369 CRITICAL CVSS 9.8 CVE-2018-8859 CRITICAL CVSS 9.8 CVE-2026-49448 CRITICAL CVSS 9.8

Published the same year

CVE-2026-0072 CRITICAL CVSS 10.0 CVE-2026-40965 CRITICAL CVSS 10.0 CVE-2026-7312 CRITICAL CVSS 10.0 CVE-2026-40089 CRITICAL CVSS 9.9
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