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.

CVSS v3 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:P/A:N

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
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

Configurations

No configuration.

History

22 Sep 2026, 19:16

Type	Values Removed	Values Added
References	~~() https://vuldb.com/submit/944207 -~~	() https://vuldb.com/submit/944207 -

20 Sep 2026, 04:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-20 04:17

Updated : 2026-09-22 19:16

NVD link : CVE-2026-93960

Mitre link : CVE-2026-93960

CVE.ORG link : CVE-2026-93960

JSON object : View

Products Affected

No product.

CWE

CWE-287

Improper Authentication

CWE-306

Missing Authentication for Critical Function

{"id": "CVE-2026-93960", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-93960", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-22T18:19:01.638760Z"}}], "cvssMetricV2": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 2.1, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "LOW", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "PROOF_OF_CONCEPT", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "cna@vuldb.com", "affectedData": [{"cpes": ["cpe:2.3:a:pixelfed:pixelfed:*:*:*:*:*:*:*:*"], "vendor": "n/a", "modules": ["OAuth Scope Handler"], "product": "Pixelfed", "versions": [{"status": "affected", "version": "0.12.0"}, {"status": "affected", "version": "0.12.1"}, {"status": "affected", "version": "0.12.2"}, {"status": "affected", "version": "0.12.3"}, {"status": "affected", "version": "0.12.4"}, {"status": "affected", "version": "0.12.5"}, {"status": "affected", "version": "0.12.6"}, {"status": "affected", "version": "0.12.7"}, {"status": "affected", "version": "0.12.8"}, {"status": "affected", "version": "0.12.9"}, {"status": "affected", "version": "0.12.10"}, {"status": "affected", "version": "0.12.11"}, {"status": "unaffected", "version": "0.12.10"}]}]}], "published": "2026-09-20T04:17:55.540", "references": [{"url": "https://github.com/pixelfed/pixelfed/", "source": "cna@vuldb.com"}, {"url": "https://github.com/pixelfed/pixelfed/commit/68dca5097305fa0065d029587b2233524636025a", "source": "cna@vuldb.com"}, {"url": "https://github.com/pixelfed/pixelfed/issues/6643", "source": "cna@vuldb.com"}, {"url": "https://github.com/pixelfed/pixelfed/pull/6774", "source": "cna@vuldb.com"}, {"url": "https://github.com/pixelfed/pixelfed/releases/tag/v0.12.10", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/cve/CVE-2026-93960", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/submit/944207", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/407919", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/407919/cti", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/submit/944207", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cna@vuldb.com", "description": [{"lang": "en", "value": "CWE-287"}, {"lang": "en", "value": "CWE-306"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-09-22T19:16:58.623", "sourceIdentifier": "cna@vuldb.com"}