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UBUNTU-CVE-2026-41079
Vulnerability in cups (UBUNTU-CVE-2026-41079)
Summary
vulnerability in cups (UBUNTU-CVE-2026-41079). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `2.4.17` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **UBUNTU-CVE-2026-41079** has been found in cups.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade cups to **2.4.17** or later.
If unsure, ask your IT team or search "cups UBUNTU-CVE-2026-41079" on the vendor's site.
UBUNTU-CVE-2026-41079 (cups) —
Attack vector: adjacent-network / unauthenticated / no user interaction
Patched: `2.4.17` — apply immediately
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** (unclassified) exists in cups.
📍 Affected scope
cups — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **2.4.17**.
🛡️ 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 'cups' .` 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 'cups' . | 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 `cups` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade cups to 2.4.17ステージング環境で 2.4.17 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
-
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
Ubuntu:Pro:16.04:LTS
cups
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:Pro:18.04:LTS
cups
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:Pro:20.04:LTS
cups
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS
cups
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.1op1-1ubuntu4.20"}]}]
Ubuntu:24.04:LTS
cups
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.7-1.2ubuntu7.13"}]}]
Ubuntu:25.10
cups
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.12-0ubuntu3.9"}]}]
Ubuntu:26.04
cups
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:26.04:LTS
cups
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.16-1ubuntu1.2"}]}]
References
- advisory https://ubuntu.com/security/notices/USN-8405-1
- report https://ubuntu.com/security/CVE-2026-41079
- report https://www.cve.org/CVERecord?id=CVE-2026-41079
- report https://github.com/OpenPrinting/cups/security/advisories/GHSA-6wpw-g8g6-wvrv
- report https://github.com/OpenPrinting/cups/commit/b7c2525a885f528d243c3a92197ca99609b3f080