CVE-2026-97864: GibbonEdu Gibbon Unit Planner units_add_blockAjax.php makeBlock missing authentication
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/unitsaddblockAjax.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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
GibbonEdu Gibbonto a version that resolves this vulnerability.Fixed in 31.0.00Patch 07e719368eae8dfb4e22e19424ceab6074164ebc
Event History
Frequently Asked Questions
Which deployments are affected?
GibbonEdu Gibbon installations up to version 30.0.01 are affected where the Unit Planner component is present. Upgrading to version 31.0.00 fixes the issue.
What does an attacker need to exploit this vulnerability?
The attack can be performed remotely and requires no authentication or user interaction. Exploitation involves manipulating the gibbonUnitBlockID and mode arguments to the makeBlock function in modules/Planner/units_add_blockAjax.php.
Is public exploitation information available?
Yes. An exploit has been publicly disclosed and may be used.
What should teams do if they identify an affected version?
Upgrade GibbonEdu Gibbon to version 31.0.00. The referenced fix is patch 07e719368eae8dfb4e22e19424ceab6074164ebc.