CVE-2026-15510 Leantime API saveSetting improper authorization
Remote attackers can modify application settings via the API due to improper authorization checks in Leantime.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15510?
CVE-2026-15510 is a medium-severity missing authorization vulnerability in Leantime, published on 12 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in Leantime up to 3.8.0. Affected is the function Setting::saveSetting of the component API. The manipulation results in improper authorization. The attack may be performed from remote. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-15510?
How do I fix CVE-2026-15510?
No fix has been published for CVE-2026-15510 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-2026-15510 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15510 exists.
Sources
Also known as GHSA-wf63-vfx8-m795.