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CVE-2026-73080 critical CVSS 9.3

SSRF (Server-Side Request Forgery) in github.com/seaweedfs/seaweedfs (CVE-2026-73080)

Summary

SSRF in github.com/seaweedfs/seaweedfs (CVE-2026-73080). Confidential information can be exposed externally. Exploitable via ``VolumeServer.FetchAndWriteNeedle``. Mitigation: upgrade to `0.0.0-20260512171120-69da20bdaec9` or later.

AI summary snake-internal / snake-material-v2

A vulnerability tracked as **CVE-2026-73080** has been found in github.com/seaweedfs/seaweedfs. Attackers can target a specific entry point like ``VolumeServer.FetchAndWriteNeedle`` over the network to misuse the product. Confidential information can be exposed externally. CVSS score: 9.3/10. What to do: upgrade github.com/seaweedfs/seaweedfs to **0.0.0-20260512171120-69da20bdaec9** or later. If unsure, ask your IT team or search "github.com/seaweedfs/seaweedfs CVE-2026-73080" on the vendor's site.
CVE-2026-73080 (github.com/seaweedfs/seaweedfs) — CWE-918 / CVSS v3 9.3 Attack vector: remote (network-reachable) / unauthenticated / no user interaction Attack surface: `VolumeServer.FetchAndWriteNeedle` / `FetchAndWriteNeedle` / `security.toml` Patched: `0.0.0-20260512171120-69da20bdaec9` — apply immediately Workaround: Restrict volume server gRPC ports to trusted hosts via firewall / network policy, and enable mTLS via `security.toml`. 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
**SSRF** (CWE-918) exists in github.com/seaweedfs/seaweedfs. Attackers reach the vulnerable code path via ``VolumeServer.FetchAndWriteNeedle`` without authentication.
📍 Affected scope
github.com/seaweedfs/seaweedfs — . Attack surface: `VolumeServer.FetchAndWriteNeedle` / `FetchAndWriteNeedle` / `security.toml`.
🔥 Severity
Severity: Critical (CVSS 9.3/10). Confidential information can be exposed externally
🔧 How to fix
Update to **0.0.0-20260512171120-69da20bdaec9**.
🛡️ Workaround
Workaround: Restrict volume server gRPC ports to trusted hosts via firewall / network policy, and enable mTLS via `security.toml`.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'github.com/seaweedfs/seaweedfs' .` 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

  1. 1
    Identify exposure identify
    grep -r 'github.com/seaweedfs/seaweedfs' . | 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 `github.com/seaweedfs/seaweedfs` を grep し、稼働しているサービス・バージョンを把握する。

  2. 5
    Apply temporary workaround mitigate
    Restrict volume server gRPC ports to trusted hosts via firewall / network policy, and enable mTLS via `security.toml`.

    パッチが適用されるまでの応急処置として、Restrict volume server gRPC ports to trusted hosts via firewall / network policy, and enable mTLS via `security.toml`. を実施。回避策の副作用 (機能低下) を確認した上で。

  3. 6
    Apply patch patch
    Upgrade github.com/seaweedfs/seaweedfs to 0.0.0-20260512171120-69da20bdaec9

    ステージング環境で 0.0.0-20260512171120-69da20bdaec9 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。

  4. 7
    Post-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

go github.com/seaweedfs/seaweedfs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.0.0-20260512171120-69da20bdaec9"}]}]

References

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