Vulnerability in Nomysem (CVE-2026-6280)
Summary
Vulnerability in Nomysem (CVE-2026-6280). Confidential information can be exposed externally.
Original description
The description as published by the source.
Exposure of sensitive information due to incompatible policies vulnerability in NOMYSOFT Informatics Education and Consulting Inc. Nomysem allows Accessing Functionality Not Properly Constrained by ACLs.
This issue affects Nomysem: through 08072026. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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-2026-6280 has been found in Nomysem.
Confidential information can be exposed externally. CVSS score: 6.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Nomysem CVE-2026-6280" on the vendor's site.
CVE-2026-6280 (Nomysem) — CWE-213 / CVSS v3 6.5
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.
A vulnerability (CWE-213) exists in Nomysem.
Check the vendor advisory for the affected versions of Nomysem.
Severity: Medium (CVSS 6.5/10). Confidential information can be exposed externally.
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. Run grep -r 'Nomysem' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'Nomysem' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
Nomysemを grep し、稼働しているサービス・バージョンを把握する。 -
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 iletisim@usom.gov.tr
- web nvd.nist.gov
- web github.com