← Back
CVE-2026-35527
SSRF (Server-Side Request Forgery) in github.com/lxc/incus/v6/cmd/incusd (CVE-2026-35527)
Summary
SSRF in github.com/lxc/incus/v6/cmd/incusd (CVE-2026-35527). Risk of unauthorized operations or information disclosure. Exploitable via ``restricted.images.servers``. Mitigation: upgrade to `7.0.0` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-35527** has been found in github.com/lxc/incus/v6/cmd/incusd.
Attackers can target a specific entry point like ``restricted.images.servers`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade github.com/lxc/incus/v6/cmd/incusd to **7.0.0** or later.
If unsure, ask your IT team or search "github.com/lxc/incus/v6/cmd/incusd CVE-2026-35527" on the vendor's site.
CVE-2026-35527 (github.com/lxc/incus/v6/cmd/incusd) — CWE-918 /
Attack vector: remote (network-reachable) / no user interaction
Attack surface: `restricted.images.servers`
Patched: `7.0.0` — 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
**SSRF** (CWE-918) exists in github.com/lxc/incus/v6/cmd/incusd. Attackers reach the vulnerable code path via ``restricted.images.servers`` without authentication.
📍 Affected scope
github.com/lxc/incus/v6/cmd/incusd — . Attack surface: `restricted.images.servers`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **7.0.0**.
🛡️ 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/lxc/incus/v6/cmd/incusd' .` 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 'github.com/lxc/incus/v6/cmd/incusd' . | 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/lxc/incus/v6/cmd/incusd` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade github.com/lxc/incus/v6/cmd/incusd to 7.0.0ステージング環境で 7.0.0 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。
-
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/lxc/incus/v6/cmd/incusd
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"7.0.0"}]}]