TI-2026-70555 Aliases CVE-2026-108567 GHSA-2x23-44x6-qv92

Path traversal in InstantSoft icms2 Image Handler

MEDIUM 57CWE-22Published 2026-10-11 · Updated 2026-10-15

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: None · None · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

InstantSoft icms2 up to 2.18.2 is affected. A path traversal flaw (CWE-22) in the files_delete_file function of system/fields/image.php lets a remote attacker with low privileges manipulate the size argument to reach paths outside the intended directory. The exploit has been made public.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A vulnerability was found in InstantSoft icms2 up to 2.18.2. Impacted is the function files_delete_file of the file system/fields/image.php of the component Image Handler. Performing a manipulation of the argument size results in path traversal. The attack may be initiated remotely. The exploit has been made public and could be used. The patch is named 03d70937f1ff97031523222808726994b8b79379. It is recommended to apply a patch to fix this issue.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00374 31st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
instantsoft	icms2	2.18.0; 2.18.1; 2.18.2	—	No fix listed	CNA

icms2 Vendorinstantsoft Affected 2.18.0; 2.18.1; 2.18.2 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:instantsoft:icms2::::::::	—	—	instantsoft

cpe:2.3:a:instantsoft:icms2:*:*:*:*:*:*:*:* Versions — — ·instantsoft

Remediation

The sources list no fixed version for icms2. The sources name patch 03d70937f1ff97031523222808726994b8b79379 and recommend applying it.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

2026-10-11 Threatist record created from CVE-2026-108567
2026-10-11 Alias added: GHSA-2x23-44x6-qv92
2026-10-16 CISA SSVC decision points changed
2026-10-16 Priority changed: LOW → MEDIUM

References

Patch 1

https://github.com/instantsoft/icms2/commit/03d70937f1ff97031523222808726994b8b79379

Other 1

https://github.com/instantsoft/icms2/

TI-2023-03877 SQL Injection in instantsoft/icms2 CVSS 3.1CRITICAL 9.1
TI-2024-20589 SQL injection in index_chart_data action CVSS 3.1HIGH 7.2
TI-2023-04538 SQL Injection in instantsoft/icms2 CVSS 3.1HIGH 7.2
TI-2025-36697 InstantCMS vulnerable to Server-Side Request Forgery via package installer CVSS 3.1HIGH 7.2
TI-2023-04291 Cross-site Scripting (XSS) - Reflected in instantsoft/icms2 CVSS 3.1MEDIUM 6.1
TI-2026-39443 InstantCMS has Remote Code Execution in package installer CVSS 3.1MEDIUM 5.5

See all 25 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences