Froxlor 2.3.6 link following

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Froxlor 2.3.6. It has been declared as critical. Affected by this issue is some unknown functionality. Such manipulation leads to link following. This vulnerability is uniquely identified as CVE-2026-41236. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Froxlor 2.3.6 and classified as critical. Affected by this issue is some unknown processing. The manipulation with an unknown input leads to a link following vulnerability. Using CWE to declare the problem leads to CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Froxlor is open source server administration software. Version 2.3.6 contains a symlink-following flaw in the root-owned SSH key synchronization path used for customer FTP users. The provisioning code appends public keys to `~/.ssh/authorized_keys` under a customer-controlled home directory without verifying that the target path is not a symbolic link. If an attacker controls a shell-enabled customer account and can modify files inside the assigned home directory, the attacker can replace `~/.ssh/authorized_keys` with a symlink to `/root/.ssh/authorized_keys`. When Froxlor's privileged cron task later synchronizes SSH keys, it appends the attacker-supplied key into root's authorized key file, resulting in root SSH access. Version 2.3.7 contains a patch.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-41236 since 04/18/2026. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available.

Upgrading to version 2.3.7 eliminates this vulnerability. The upgrade is hosted for download at github.com.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (GitHub_M): 🔒

CVSSv2info

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

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

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: Froxlor 2.3.7

Timelineinfo

04/18/2026 CVE reserved
06/04/2026 +47 days VulDB entry created
06/05/2026 +0 days Advisory disclosed
06/05/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-mq5v-pxpm-8jw2
Status: Confirmed

CVE: CVE-2026-41236 (🔒)
GCVE (CVE): GCVE-0-2026-41236
GCVE (VulDB): GCVE-100-368402

Entryinfo

Created: 06/05/2026 00:44
Changes: 06/05/2026 00:44 (46), 06/05/2026 00:45 (24)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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