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CVE-2026-111609 Details

Description

PKP Open Journal Systems through 3.5.0-5 contains an insecure direct object reference vulnerability that allows journal or subscription managers to access other journals' subscriptions by supplying arbitrary subscription ids. Attackers can enumerate sequential ids through editSubscription to view subscriber details and use updateSubscription to reassign subscriptions to their own journal, revoking victims' access.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:3.8 LOWVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://hackmd.io/@hieuPenguinnn/ojs-subscription-form-cross-journal-idor	CISA-ADP
https://github.com/pkp/ojs/blob/3_5_0-5/controllers/grid/subscriptions/IndividualSubscriptionForm.php#L47-L51	[email protected]
https://github.com/pkp/ojs/blob/3_5_0-5/controllers/grid/subscriptions/InstitutionalSubscriptionForm.php#L57-L62	[email protected]
https://hackmd.io/@hieuPenguinnn/ojs-subscription-form-cross-journal-idor	[email protected]
https://www.vulncheck.com/advisories/pkp-open-journal-systems-through-3.5.0-5-cross-journal-subscription-idor-via-updatesubscription	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-639	Authorization Bypass Through User-Controlled Key	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 21, 2026	CVE Modified	CISA-ADP
Oct 16, 2026	New CVE Received	[email protected]