CVE-2026-93960: Auth Bypass (CVSS 4.3)

Description

A vulnerability was identified in Pixelfed up to 0.12.11. Impacted is the function instancePeers of the file app/Http/Controllers/Api/ApiV1Controller.php of the component OAuth Scope Handler. Such manipulation of the argument ID leads to missing authentication. The attack may be performed from remote. The exploit is publicly available and might be used. Upgrading to version 0.12.10 is recommended to address this issue. The name of the patch is 68dca5097305fa0065d029587b2233524636025a. Upgrading the affected component is advised.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS — Exploit Prediction

0.0058

Probability of exploitation

0.46%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-287 Improper Authentication

CWE-306 Missing Authentication

References

Other References

https://github.com/pixelfed/pixelfed/ https://github.com/pixelfed/pixelfed/commit/68dca5097305fa0065d029587b2233524636025a https://github.com/pixelfed/pixelfed/issues/6643 https://github.com/pixelfed/pixelfed/pull/6774 https://github.com/pixelfed/pixelfed/releases/tag/v0.12.10 https://vuldb.com/cve/CVE-2026-93960 https://vuldb.com/submit/944207 https://vuldb.com/vuln/407919 https://vuldb.com/vuln/407919/cti https://vuldb.com/submit/944207

Frequently Asked Questions

What is CVE-2026-93960? +

A vulnerability was identified in Pixelfed up to 0.12.11. Impacted is the function instancePeers of the file app/Http/Controllers/Api/ApiV1Controller.php of the component OAuth Scope Handler. Such manipulation of the argument ID leads to missing authentication. The attack may be performed from remote. The exploit is publicly available and might be used. Upgrading to version 0.12.10 is recommended to address this issue. The name of the patch is 68dca5097305fa0065d029587b2233524636025a. Upgrading the affected component is advised. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-93960? +

CVE-2026-93960 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0058, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-93960? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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