← Back
CVE-2026-55619
medium
CVSS 5.3
Vulnerability in eml_parser (CVE-2026-55619)
Summary
vulnerability in eml_parser (CVE-2026-55619). Risk of unauthorized operations or information disclosure. Exploitable via ``eml_parser``. Mitigation: upgrade to `3.0.2` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-55619** has been found in eml_parser.
Attackers can target a specific entry point like ``eml_parser`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: 5.3/10.
What to do: upgrade eml_parser to **3.0.2** or later.
If unsure, ask your IT team or search "eml_parser CVE-2026-55619" on the vendor's site.
CVE-2026-55619 (eml_parser) — CWE-770 / CVSS v3 5.3
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: `eml_parser` / `Bcc` / `From` / `Sender`
Patched: `3.0.2` — apply immediately
Workaround: The issue can be avoided by wrapping the call to `eml_parser.decode_email` or `eml_parser.decode_email_bytes` in a `try/except` construct.
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-770) exists in eml_parser. Attackers reach the vulnerable code path via ``eml_parser`` without authentication.
📍 Affected scope
eml_parser — . Attack surface: `eml_parser` / `Bcc` / `From` / `Sender`.
🔥 Severity
Severity: Medium (CVSS 5.3/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **3.0.2**.
🛡️ Workaround
Workaround: The issue can be avoided by wrapping the call to `eml_parser.decode_email` or `eml_parser.decode_email_bytes` in a `try/except` construct.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'eml_parser' .` 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 'eml_parser' . | 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 `eml_parser` を grep し、稼働しているサービス・バージョンを把握する。
-
5Apply temporary workaround mitigate
The issue can be avoided by wrapping the call to `eml_parser.decode_email` or `eml_parser.decode_email_bytes` in a `try/except` construct.パッチが適用されるまでの応急処置として、The issue can be avoided by wrapping the call to `eml_parser.decode_email` or `eml_parser.decode_email_bytes` in a `try/except` construct. を実施。回避策の副作用 (機能低下) を確認した上で。
-
6Apply patch patch
Upgrade eml_parser to 3.0.2ステージング環境で 3.0.2 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
eml_parser
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.2"}]}]