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CVE-2026-41895
high
CVSS 7.5
XXE (XML External Entity) in changedetection.io (CVE-2026-41895)
Summary
vulnerability in changedetection.io (CVE-2026-41895). Confidential information can be exposed externally. Exploitable via ``XXE``.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-41895** has been found in changedetection.io.
Attackers can target a specific entry point like ``XXE`` over the network to misuse the product.
Confidential information can be exposed externally. CVSS score: 7.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "changedetection.io CVE-2026-41895" on the vendor's site.
CVE-2026-41895 (changedetection.io) — CWE-611 / CVSS v3 7.5
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: `XXE` / `DOCTYPE`
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.
❓ What is the problem
**A vulnerability** (CWE-611) exists in changedetection.io. Attackers reach the vulnerable code path via ``XXE`` without authentication.
📍 Affected scope
changedetection.io — . Attack surface: `XXE` / `DOCTYPE`.
🔥 Severity
Severity: High (CVSS 7.5/10). Confidential information can be exposed externally
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'changedetection.io' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'changedetection.io' . | 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 `changedetection.io` を grep し、稼働しているサービス・バージョンを把握する。
-
7Post-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 Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
pip
changedetection.io
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
PyPI
changedetection-io
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.54.9"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-41895
- package https://github.com/dgtlmoon/changedetection.io
- web https://github.com/dgtlmoon/changedetection.io/security/advisories/GHSA-v7cp-2cx9-x793
- web https://github.com/advisories/GHSA-v7cp-2cx9-x793
- web https://github.com/pypa/advisory-database/tree/main/vulns/changedetection-io/PYSEC-2026-29.yaml