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GHSA-mhm7-754m-9p8w
Authorization Flaw in com.fasterxml.jackson.core:jackson-databind (GHSA-mhm7-754m-9p8w)
Summary
vulnerability in com.fasterxml.jackson.core:jackson-databind (GHSA-mhm7-754m-9p8w). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `2.21.5` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **GHSA-mhm7-754m-9p8w** has been found in com.fasterxml.jackson.core:jackson-databind.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade com.fasterxml.jackson.core:jackson-databind to **2.21.5** or later.
If unsure, ask your IT team or search "com.fasterxml.jackson.core:jackson-databind GHSA-mhm7-754m-9p8w" on the vendor's site.
GHSA-mhm7-754m-9p8w (com.fasterxml.jackson.core:jackson-databind) — CWE-863 /
Patched: `2.21.5` — 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
**incorrect authorization** (CWE-863) exists in com.fasterxml.jackson.core:jackson-databind.
📍 Affected scope
com.fasterxml.jackson.core:jackson-databind — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **2.21.5**.
🛡️ 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 'com.fasterxml.jackson.core:jackson-databind' .` 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 'com.fasterxml.jackson.core:jackson-databind' . | 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 `com.fasterxml.jackson.core:jackson-databind` 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 com.fasterxml.jackson.core:jackson-databind to 2.21.5ステージング環境で 2.21.5 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
maven
com.fasterxml.jackson.core:jackson-databind
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.21.5"}]}]
References
- web https://github.com/FasterXML/jackson-databind/security/advisories/GHSA-mhm7-754m-9p8w
- web https://github.com/FasterXML/jackson-databind/commit/c628b357ed143d8492756d5c1458cfb9fbeb29ed
- web https://github.com/FasterXML/jackson-databind/commit/dea7eb466e98cc226c4ac65587581fb49926820c
- web https://github.com/advisories/GHSA-mhm7-754m-9p8w