fastCMS up to 0.1.5 PluginController.java code injection

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in fastCMS up to 0.1.5. It has been classified as problematic. This affects an unknown part of the file PluginController.java. This manipulation causes Local Privilege Escalation. This vulnerability is handled as CVE-2026-26682. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in fastCMS up to 0.1.5. Affected by this vulnerability is an unknown code block of the file PluginController.java. The manipulation with an unknown input leads to a local privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue in fastCMS before v.0.1.6 allows a local attacker to execute arbitrary code via the PluginController.java component

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-26682 since 02/16/2026. The exploitation appears to be easy. Attacking locally is a requirement. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

Upgrading to version 0.1.6 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 7.8
ADP CISA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: fastCMS 0.1.6

Timelineinfo

02/16/2026 CVE reserved
02/26/2026 +10 days Advisory disclosed
02/26/2026 +0 days VulDB entry created
03/05/2026 +7 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-26682 (🔒)
GCVE (CVE): GCVE-0-2026-26682
GCVE (VulDB): GCVE-100-348031

Entryinfo

Created: 02/26/2026 19:33
Updated: 03/05/2026 18:38
Changes: 02/26/2026 19:33 (52), 03/03/2026 21:39 (13), 03/05/2026 18:38 (1)
Complete: 🔍
Cache ID: 216::103

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