CVE-2025-71325: picklescan · Unchecked Error Condition
Affects picklescanSource CVE Database V5
Public exploit available · CVSS 9.3 Critical : upgrade to 0.0.27 as a priority.
Data as of 8 Nov 2026, 14:20 UTC
Thin evidence
One scorer or none| CNA (VulnCheck) | CVSS 4.0 | 9.3 |
|---|---|---|
| CNA (VulnCheck) | CVSS 3.1 | 9.8 |
- CISA SSVC
- Exploitation
- Proof of concept is public or traded
- Automatable
- Attackers can reliably automate steps 1–4 of the kill chain
- Technical impact
- Total control over the software or total information disclosure
CISA SSVC assessment, 2026-06-17.
- Patch
- Available – fixed in 0.0.27
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 17 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CISA SSVC: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by VulnCheck
, 9 days before disclosure
CVE published
on cve.org
, t = 0
CISA SSVC assessment
proof of concept public
, 2 hours after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA SSVC, the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.
What to do
Upgrade picklescan to 0.0.27.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| picklescanpicklescan | Affected
| Fixed in
|
PyPIpicklescanpkg:pypi/picklescanOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Users should upgrade picklescan to version 0.0.27 or later, where this parsing logic error is fixed. No other mitigations are indicated.
Description
CVE-2025-71325 is a critical vulnerability in picklescan versions before 0.0.27. It involves a parsing logic error in the _list_globals function when processing STACK_GLOBAL opcodes, which causes improper tracking of arguments. This flaw allows crafted malicious pickle files with arguments at position zero to bypass security scanning by triggering unexpected exceptions.
References
- github.com/mmaitre314/picklescan/security/advisories/GHSA-9gvj-pp9x-gcfr (opens in a new tab)
- github.com/mmaitre314/picklescan/commit/2a8383cfeb4158567f9770d86597300c9e508d0f (opens in a new tab)
- vulncheck.com/advisories/picklescan-detection-bypass-via-stack-global-opcode-parsing-logic-flaw (opens in a new tab)