Vulnerability · Published Sep 25, 2026 · Assigned by VulDB
CVE-2026-97864GibbonEdu Gibbon Unit Planner units_add_blockAjax.php makeBlock missing authentication
Medium 5.3
In plain English
A medium-severity missing authentication in Gibbon from GibbonEdu. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 46% of all known vulnerabilities).
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.
Affected products (as reported)
Weakness: CWE-306, CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
References
- VDB-409878 | GibbonEdu Gibbon Unit Planner units_add_blockAjax.php makeBlock missing authentication vdb-entry, technical-description
- VDB-409878 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-97864 | CVE Analysis and Report third-party-advisory
- Submit #911004 | Gibbon Gibbon (GibbonEdu core) 30.0.01 Missing Authentication third-party-advisory
- https://github.com/GibbonEdu/core/pull/2090 issue-tracking, patch
- https://github.com/GibbonEdu/core/pull/2095 issue-tracking, patch
- https://github.com/GibbonEdu/core/commit/07e719368eae8dfb4e22e19424ceab6074164ebc patch
- https://github.com/GibbonEdu/core/compare/v31.0.00 patch