Vulnerability in GibbonEdu Gibbon

[ Why it matters ]Priority signals

• Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official description

A vulnerability has been found in GibbonEdu Gibbon up to 30.0.01. The affected element is the function makeBlock of the file modules/Planner/units_add_blockAjax.php of the component Unit Planner. The manipulation of the argument gibbonUnitBlockID/mode leads to missing authentication. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 31.0.00 is sufficient to fix this issue. The identifier of the patch is 07e719368eae8dfb4e22e19424ceab6074164ebc. It is recommended to upgrade the affected component.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/GibbonEdu/core/commit/07e719368eae8dfb4e22e19424ceab6074164ebc
• github.com/GibbonEdu/core/compare/v31.0.00
• github.com/GibbonEdu/core/pull/2090
• github.com/GibbonEdu/core/pull/2095
• vuldb.com/cve/CVE-2026-97864
• vuldb.com/submit/911004
• vuldb.com/vuln/409878
• vuldb.com/vuln/409878/cti