CVE-2026-84839 tsi-coop tsi-dpdp-cms Admin Console/DPO Compliance Console web.xml missing authentication
Attackers can bypass authentication on the Admin and DPO Compliance Consoles due to missing security configurations in web.xml, allowing unauthorized access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-84839?
CVE-2026-84839 is a medium-severity missing authorization vulnerability in tsi-coop tsi-dpdp-cms, published on 2 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was determined in tsi-coop tsi-dpdp-cms up to 0.5.0. Affected by this issue is some unknown functionality of the file web.xml of the component Admin Console/DPO Compliance Console. Executing a manipulation can lead to missing authentication. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 0.5.1 can resolve this issue. It is suggested to upgrade the affected component.
Which versions are affected by CVE-2026-84839?
How do I fix CVE-2026-84839?
No fix has been published for CVE-2026-84839 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-84839 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-84839 exists.
Sources
Also known as GHSA-3qwp-5cgc-v46r.