GHSA-vj2p-7pgw-g2wf
HIGHPostiz App has a High-Severity SSRF Vulnerability via Next.js
Blast Radius
Weekly download volume for affected packages — a proxy for how broadly this vulnerability is deployed.
postiznpmDescription
Impact
A successful SSRF attack allows an attacker to:
- Bypass firewalls to scan and interact with internal network services/ports.
- Access sensitive cloud metadata services (e.g., AWS IMDS 169.254.169.254) to potentially leak instance credentials.
- Pivot into the internal network environment where Postiz is hosted.
Workarounds
There are no workarounds known to this, please upgrade to Postiz version v2.21.1.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 📦npm | postiz | all versions | No fix |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for postiz. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Remediation status
No patched version of postiz has shipped for GHSA-vj2p-7pgw-g2wf yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.
Mitigate without a patch
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 pinpoints whether GHSA-vj2p-7pgw-g2wf is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
Tailored to GHSA-vj2p-7pgw-g2wf. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-vj2p-7pgw-g2wf in your dependencies?
O3 detects GHSA-vj2p-7pgw-g2wf across npm dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.