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.
History

Wed, 21 Oct 2026 03:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 16 Oct 2026 17:45:00 +0000

Type Values Removed Values Added
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.
Title PKP Open Journal Systems through 3.5.0-5 Cross-Journal Subscription IDOR via updateSubscription
First Time appeared Openjournalsystems
Openjournalsystems open Journal Systems
Weaknesses CWE-639
CPEs cpe:2.3:a:openjournalsystems:open_journal_systems:*:*:*:*:*:*:*:*
Vendors & Products Openjournalsystems
Openjournalsystems open Journal Systems
References
Metrics cvssV3_1

{'score': 3.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-16T17:38:49.767Z

Updated: 2026-10-21T02:31:53.986Z

Reserved: 2026-10-16T14:31:09.242Z

Link: CVE-2026-111609

cve-icon Vulnrichment

Updated: 2026-10-21T02:31:49.530Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-16T18:17:40.103

Modified: 2026-10-21T03:17:19.073

Link: CVE-2026-111609

cve-icon Redhat

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