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CVE-2025-52553

9.6 · CRITICAL

authentik is an open-source identity provider.

Published Jun 27, 2025CWE-287EPSS 0.52%

Overview

CVE-2025-52553 is a critical-severity vulnerability. It was published on June 27, 2025 and has a CVSS 3.1 base score of 9.6 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.6, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

authentik is an open-source identity provider. After authorizing access to a RAC endpoint, authentik creates a token which is used for a single connection and is sent to the client in the URL. This token is intended to only be valid for the session of the user who authorized the connection, however this check is missing in versions prior to 2025.6.3 and 2025.4.3. When, for example, using RAC during a screenshare, a malicious user could access the same session by copying the URL from the shown browser. authentik 2025.4.3 and 2025.6.3 fix this issue. As a workaround, it is recommended to decrease the duration a token is valid for (in the RAC Provider settings, set Connection expiry to `minutes=5` for example). The maintainers of authentik also recommend enabling the option Delete authorization on disconnect.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/goauthentik/authentik/commit/0e07414e9739b318cff9401a413a5fe849545325GitHubgithub.com/goauthentik/authentik/commit/65373ab21711d58147b5cb9276c5b5876baaa5ebGitHubgithub.com/goauthentik/authentik/commit/7100d3c6741853f1cfe3ea2073ba01823ab55caaGitHubgithub.com/goauthentik/authentik/security/advisories/GHSA-wr3v-9p2c-chx7

How CyberStrike helps

Frequently asked questions

What is CVE-2025-52553?

CVE-2025-52553 is a critical-severity vulnerability. It was published on June 27, 2025 and has a CVSS 3.1 base score of 9.6 (CRITICAL).

How severe is CVE-2025-52553?

This vulnerability has a CVSS 3.1 base score of 9.6, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-52553?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-52553?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-52553 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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