← Back
CVE-2026-55228
high
CVSS 8.1
Vulnerability in Weblate (CVE-2026-55228)
Summary
vulnerability in Weblate (CVE-2026-55228). Confidential information can be exposed externally. Mitigation: upgrade to `2026.7` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-55228** has been found in Weblate.
Confidential information can be exposed externally. CVSS score: 8.1/10.
What to do: upgrade Weblate to **2026.7** or later.
If unsure, ask your IT team or search "Weblate CVE-2026-55228" on the vendor's site.
CVE-2026-55228 (Weblate) — CWE-639 / CVSS v3 8.1
Attack vector: remote (network-reachable) / no user interaction
Patched: `2026.7` — 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** (CWE-639) exists in Weblate.
📍 Affected scope
Weblate — .
🔥 Severity
Severity: High (CVSS 8.1/10). Confidential information can be exposed externally
🔧 How to fix
Update to **2026.7**.
🛡️ 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 'Weblate' .` 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 'Weblate' . | 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 `Weblate` 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 Weblate to 2026.7ステージング環境で 2026.7 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
pip
Weblate
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.7"}]}]
References
- web https://github.com/WeblateOrg/weblate/commit/19babc99b05f2cc299b5090f90f79d8181f25d79
- web https://github.com/WeblateOrg/weblate/security/advisories/GHSA-2q2q-jr9g-v9rf
- web https://nvd.nist.gov/vuln/detail/CVE-2026-55228
- web https://github.com/WeblateOrg/weblate/pull/19970
- web https://github.com/advisories/GHSA-2q2q-jr9g-v9rf