GHSA-9726-w42j-3qjr: picklescan has Arbitrary file read using `io.FileIO`
(updated )
Unsafe pickle deserialization allows unauthenticated attackers to read arbitrary server files and perform SSRF. By chaining io.FileIO and urllib.request.urlopen, an attacker can bypass RCE-focused blocklists to exfiltrate sensitive data (example: /etc/passwd) to an external server.
References
- github.com/advisories/GHSA-9726-w42j-3qjr
- github.com/mmaitre314/picklescan/commit/a01c58d5dd7960db557b849817c0ab83ab111ef1
- github.com/mmaitre314/picklescan/pull/55
- github.com/mmaitre314/picklescan/releases/tag/v0.0.35
- github.com/mmaitre314/picklescan/security/advisories/GHSA-9726-w42j-3qjr
- nvd.nist.gov/vuln/detail/CVE-2026-53872
- www.vulncheck.com/advisories/picklescan-arbitrary-file-read-via-unsafe-pickle-deserialization
Code Behaviors & Features
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