9.1

CVE-2026-25227: authentik affected by Remote Code Execution via Context Key Injection in PropertyMapping Test Endpoint

Analyzed
Published 12-02-2026Last modified 17-02-2026

Vulnerability summary

CVE-2026-25227 is a critical (CVSS 9.1) Improper Control of Generation of Code vulnerability in goauthentik authentik. EPSS estimates a 0.89% chance of exploitation in the next 30 days, higher than 59.4% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.1 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.1/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.89%
0%100%
Low · +0.06 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 12-02-2026
    PublishedVulnerability first disclosed.
  2. 17-02-2026
    Last modifiedVulnerability information updated.

Description

authentik is an open-source identity provider. From 2021.3.1 to before 2025.8.6, 2025.10.4, and 2025.12.4, when using delegated permissions, a User that has the permission Can view * Property Mapping or Can view Expression Policy is able to execute arbitrary code within the authentik server container through the test endpoint, which is intended to preview how a property mapping/policy works. authentik 2025.8.6, 2025.10.4, and 2025.12.4 fix this issue.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.89%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

Increase +0.06 pp

From 0.83% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Goauthentik1 product
  • authentik≥ 2025.10.0-rc1, < 2025.10.4 | ≥ 2025.10.0-rc1, < 2025.12.4 | ≥ 2021.3.1, < 2025.8.6 | ≥ 2025.10.0, < 2025.10.4 | ≥ 2025.12.0, < 2025.12.4

1 vendor · 1 product

References

5 links