Path Traversal in InstantSoft icms2 (CVE-2026-108567)
Summary
Path traversal in InstantSoft icms2 (CVE-2026-108567). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
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.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-108567 has been found in InstantSoft icms2.
Risk of unauthorized operations or information disclosure. CVSS score: 4.3/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "InstantSoft icms2 CVE-2026-108567" on the vendor's site.
CVE-2026-108567 (InstantSoft icms2) — CWE-22 / CVSS v3 4.3
Attack vector: remote (network-reachable) / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
Path traversal (CWE-22) exists in InstantSoft icms2.
Check the vendor advisory for the affected versions of InstantSoft icms2.
Severity: Medium (CVSS 4.3/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで InstantSoft icms2 を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- web cna@vuldb.com
- web cna@vuldb.com
- web cna@vuldb.com
- web cna@vuldb.com
- web cna@vuldb.com
- web cna@vuldb.com
- web nvd.nist.gov
- web github.com
- web github.com