CVE-2026-107793: Jivejdon through 5.0 IDOR via subSaveAction Subscription Delete

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-08 · updated 2026-10-09
Weakness: CWE-639

Description

Jivejdon through 5.0 contains an authorization bypass vulnerability in SubscriptionServiceImp.deleteSubscription that allows authenticated users to delete other users' subscriptions by ID. Attackers can submit a delete action to /account/protected/sub/subSaveAction with another user's subscriptionId to remove their thread, forum, tag or account subscriptions.

Affected products

banq jivejdon: through 5.0

References

https://github.com/banq/jivejdon
https://github.com/banq/jivejdon/blob/ee67a65e65228644a71c8317d7e34deea50f95ef/src/main/java/com/jdon/jivejdon/api/impl/subscription/SubscriptionServiceImp.java#L131-L146
https://github.com/banq/jivejdon/issues/28
https://www.vulncheck.com/advisories/jivejdon-through-5.0-idor-via-subsaveaction-subscription-delete

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