CVE-2026-111609
CVE-2026-111609 · PKP Open Journal Systems through 3.5.0-5 Cross-Journal Subscription IDOR via updateSubscription
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 5.1 · Medium · EPSS 0.2%
- Published
- Updated
Affected products and versions
open journal systems
- Versions
- ≥ 0, ≤ 3.5.0-5: Affected (custom)
No fix published
Original sources
- https://hackmd.io/@hieuPenguinnn/ojs-subscription-form-cross-journal-idor
- https://github.com/pkp/ojs/blob/3_5_0-5/controllers/grid/subscriptions/IndividualSubscriptionForm.php#L47-L51
- https://github.com/pkp/ojs/blob/3_5_0-5/controllers/grid/subscriptions/InstitutionalSubscriptionForm.php#L57-L62
- https://www.vulncheck.com/advisories/pkp-open-journal-systems-through-3.5.0-5-cross-journal-subscription-idor-via-updatesubscription
- https://nvd.nist.gov/vuln/detail/CVE-2026-111609