CVE-2026-100900 DevaslanPHP project-management Jira Import jira-import updateJiraProjects server-side request forgery
Remote attackers can exploit a server-side request forgery vulnerability in the Jira Import component to interact with internal systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-100900?
CVE-2026-100900 is a medium-severity server-side request forgery vulnerability in DevaslanPHP project-management, published on 28 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability has been found in DevaslanPHP project-management 1.2.1/1.2.2/1.2.3/1.2.4/v2.0.0-beta1. Affected is the function updateJiraProjects of the file /jira-import of the component Jira Import. The manipulation of the argument host/username/token leads to server-side request forgery. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-918
Which versions are affected by CVE-2026-100900?
How do I fix CVE-2026-100900?
No fix has been published for CVE-2026-100900 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-100900 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-100900 exists.
Sources
Also known as GHSA-mmh4-p5pc-rm2c.