Pixelfed up to 0.12.11 OAuth Scope ApiV1Controller.php instancePeers ID missing authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.9$0-$5k1.48

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Pixelfed up to 0.12.11. The affected element is the function instancePeers of the file app/Http/Controllers/Api/ApiV1Controller.php of the component OAuth Scope Handler. Performing a manipulation of the argument ID results in missing authentication. This vulnerability is cataloged as CVE-2026-93960. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Pixelfed up to 0.12.11. This affects the function instancePeers of the file app/Http/Controllers/Api/ApiV1Controller.php of the component OAuth Scope Handler. The manipulation of the argument id with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on integrity.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-93960. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept. By approaching the search of inurl:app/Http/Controllers/Api/ApiV1Controller.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 0.12.10 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 68dca5097305fa0065d029587b2233524636025a is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Google Hack: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Pixelfed 0.12.10
Patch: 68dca5097305fa0065d029587b2233524636025a

Timelineinfo

09/19/2026 Advisory disclosed
09/19/2026 +0 days VulDB entry created
09/19/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 6643
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-93960 (🔒)
GCVE (CVE): GCVE-0-2026-93960
GCVE (VulDB): GCVE-100-407919
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/19/2026 11:22
Changes: 09/19/2026 11:22 (63)
Complete: 🔍
Submitter: geochen
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #944207: pixelfed commit f0ac4aa Missing Authentication (by geochen)

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