GibbonEdu Gibbon Unit Planner units_add_blockAjax.php makeBlock missing authentication (CVE-2026-97864) | HOL Guard CVE

Medium · CVSS 6.9CVE-2026-97864

GibbonEdu Gibbon Unit Planner units_add_blockAjax.php makeBlock missing authentication

Answer in brief

CVE-2026-97864 records a Medium severity (CVSS 6.9) vulnerability in GibbonEdu Gibbon Unit Planner units_add_blockAjax.php makeBlock missing authentication. The current sources do not mark it as known exploited. The current feed maps GibbonEdu/Gibbon (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 25, 2026Updated Sep 25, 2026Source checked Sep 25, 2026First seen by HOL Sep 25, 2026Material review Sep 25, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 6.9
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 6.9. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps GibbonEdu/Gibbon (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
GibbonEdu/Gibbongeneric	30.0.01	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for GibbonEdu/Gibbon.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 25, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 25, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 25, 2026

Sources and claim methodology

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.