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CVE-2025-52490
Vulnerability in couchbase (CVE-2025-52490)
Summary
vulnerability in couchbase (CVE-2025-52490). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `3.2.6` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-52490** has been found in couchbase.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade couchbase to **3.2.6** or later.
If unsure, ask your IT team or search "couchbase CVE-2025-52490" on the vendor's site.
CVE-2025-52490 (couchbase) — CWE-319 /
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `3.2.6` — 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-319) exists in couchbase.
📍 Affected scope
couchbase — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **3.2.6**.
🛡️ 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 'couchbase' .` 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
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1Identify exposure identify
grep -r 'couchbase' . | 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 `couchbase` を grep し、稼働しているサービス・バージョンを把握する。
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6Apply patch patch
Upgrade couchbase to 3.2.6ステージング環境で 3.2.6 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。
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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
PyPI
couchbase
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.6"}]}]
go
github.com/couchbase/sync_gateway
[{"type":"SEMVER","events":[{"introduced":"0"}]}]
References
- advisory https://docs.couchbase.com/server/current/release-notes/relnotes.html
- advisory https://forums.couchbase.com/tags/security
- advisory https://www.couchbase.com/alerts/
- advisory https://nvd.nist.gov/vuln/detail/CVE-2025-52490
- advisory https://github.com/advisories/GHSA-pqhp-4xfc-hjgq
- package https://github.com/couchbase/sync_gateway
- web https://www.couchbase.com/alerts