VDB-409878 · Submit #911004 · CVE-2026-97864

GibbonEdu Gibbon up to 30.0.01 Unit Planner units_add_blockAjax.php makeBlock gibbonUnitBlockID/mode missing authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8	$0-$5k	0.00+

Summaryinfo

A vulnerability classified as problematic was found in GibbonEdu Gibbon up to 30.0.01. The impacted 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 results in missing authentication. This vulnerability was named CVE-2026-97864. The attack may be performed from remote. In addition, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in GibbonEdu Gibbon up to 30.0.01. Affected 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 with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on confidentiality.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-97864. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

It is declared as proof-of-concept. By approaching the search of inurl:modules/Planner/units_add_blockAjax.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 31.0.00 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 07e719368eae8dfb4e22e19424ceab6074164ebc is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

GibbonEdu

Name

Gibbon

Version

30.0.01

License

open-source

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Google Hack: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Gibbon 31.0.00
Patch: 07e719368eae8dfb4e22e19424ceab6074164ebc

Timelineinfo

09/25/2026 Advisory disclosed
09/25/2026 +0 days VulDB entry created
09/25/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 2090
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-97864 (🔒)
GCVE (CVE): GCVE-0-2026-97864
GCVE (VulDB): GCVE-100-409878
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/25/2026 10:17
Changes: 09/25/2026 10:17 (63)
Complete: 🔍
Submitter: f_asadbek1
Cache ID: 216::103

Submitinfo

Accepted

Submit #911004: Gibbon Gibbon (GibbonEdu core) 30.0.01 Missing Authentication (by f_asadbek1)