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CVE-2026-50569
medium
CVSS 4.3
Vulnerability in github.com/fission/fission (CVE-2026-50569)
Summary
vulnerability in github.com/fission/fission (CVE-2026-50569). Risk of unauthorized operations or information disclosure. Exploitable via ``Methods``. Mitigation: upgrade to `1.25.0` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-50569** has been found in github.com/fission/fission.
Attackers can target a specific entry point like ``Methods`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: 4.3/10.
What to do: upgrade github.com/fission/fission to **1.25.0** or later.
If unsure, ask your IT team or search "github.com/fission/fission CVE-2026-50569" on the vendor's site.
CVE-2026-50569 (github.com/fission/fission) — CWE-20 / CVSS v3 4.3
Attack vector: remote (network-reachable) / no user interaction
Attack surface: `Methods` / `FunctionReference` / `Host` / `IngressConfig`
Patched: `1.25.0` — 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-20) exists in github.com/fission/fission. Attackers reach the vulnerable code path via ``Methods`` without authentication.
📍 Affected scope
github.com/fission/fission — . Attack surface: `Methods` / `FunctionReference` / `Host` / `IngressConfig`.
🔥 Severity
Severity: Medium (CVSS 4.3/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **1.25.0**.
🛡️ 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 'github.com/fission/fission' .` 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 'github.com/fission/fission' . | 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/fission/fission` 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 github.com/fission/fission to 1.25.0ステージング環境で 1.25.0 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
go
github.com/fission/fission
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.25.0"}]}]
References
- web https://github.com/fission/fission/pull/3464
- web https://github.com/fission/fission/releases/tag/v1.25.0
- web https://github.com/fission/fission/security/advisories/GHSA-vchh-r53j-8mpw
- web https://nvd.nist.gov/vuln/detail/CVE-2026-50569
- web https://github.com/fission/fission/commit/0deed6bf3f26bc0f10e9130cd0d479b0b9f5f609
- web https://github.com/advisories/GHSA-vchh-r53j-8mpw