CVE-2026-108567: Path Traversal in InstantSoft icms2
Description
CVE-2026-108567 is a path traversal vulnerability in InstantSoft icms2 affecting versions 2.18.0, 2.18.1, and 2.18.2. The flaw exists in the files_delete_file function within the Image Handler component, allowing remote attackers to manipulate the size argument to perform path traversal. A patch identified by commit 03d70937f1ff97031523222808726994b8b79379 is available to fix this issue. The vulnerability has a medium severity with a CVSS 4.0 score of 5.3. Exploit code has been publicly disclosed but no known exploitation in the wild has been reported.
CVSS v4.0
Score 5.3medium
Affected software
InstantSoft
icms2
pkg:github/instantsoft/icms2cpe:2.3:a:instantsoft:icms2:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in InstantSoft icms2 up to version 2.18.2 involves the files_delete_file function in system/fields/image.php. By manipulating the size argument, an attacker can perform a path traversal attack, potentially accessing or deleting unintended files. The vulnerability is remotely exploitable without user interaction and requires low privileges. A patch has been released (commit 03d70937f1ff97031523222808726994b8b79379) to address this issue.
Potential Impact
Successful exploitation allows an attacker with low privileges to perform path traversal via the size argument in the image file deletion function, potentially leading to unauthorized file access or deletion. The vulnerability is remotely exploitable without user interaction. The overall impact is rated medium severity with a CVSS 4.0 score of 5.3.
Mitigation Recommendations
Apply the official patch identified by commit 03d70937f1ff97031523222808726994b8b79379 to fix the path traversal vulnerability in InstantSoft icms2. No other mitigations are specified. Since a patch is available, updating to a fixed version is the recommended remediation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-10-10T15:04:19.758Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6acb5b902cdf04f656c526a0
Added to database: 10/11/2026, 09:49:04 UTC
Last enriched: 10/11/2026, 10:03:15 UTC
Last updated: 10/11/2026, 10:08:11 UTC
Views: 9
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