picklescan before 0.0.29 fails to detect the built-in trace.Trace.run function when analyzing pickle files, allowing attackers to embed undetected malicious code. Remote attackers can craft malicious pickle files using trace.Trace.run in the reduce method to achieve arbitrary code execution when pickle.load processes the file.
CVE-2025-71349
Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-01. a secondary CVSS source baseline 8.1; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.1
- EG Score
- 8.1(high)
- EPSS
- 42.6%
- KEV
- Not listed
Published
June 30, 2026
Last Modified
July 1, 2026
Advisory Details (2)
Auto-updated Jul 1, 2026picklescan - Arbitrary Code Execution via Undetected trace.Trace.run in Pickle Files | Advisories | VulnCheck
https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected-trace-trace-run-in-pickle-filesMissing detection when calling built-in python trace.Trace.run · Advisory · mmaitre314/picklescan · GitHub
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-5qwp-399c-mjwfVendor Advisories for CVE-2025-71349(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 33× in last 7d / 33× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 00:14 UTCEG score recompute
- 2026-07-07 00:14 UTCGHSA enrichment
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 12:11 UTCEG score recompute
- 2026-07-06 12:10 UTCGHSA enrichment
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-06 00:04 UTCEG score recompute
- 2026-07-06 00:03 UTCGHSA enrichment
- 2026-07-05 11:59 UTCEG score recompute
- 2026-07-05 11:59 UTCGHSA enrichment
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 23:55 UTCEG score recompute
- 2026-07-04 23:55 UTCGHSA enrichment
- 2026-07-04 11:52 UTCEG score recompute
- 2026-07-04 11:52 UTCGHSA enrichment
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-03 23:50 UTCEG score recompute
- 2026-07-03 23:49 UTCGHSA enrichment
- 2026-07-03 11:46 UTCEG score recompute
- 2026-07-03 11:46 UTCGHSA enrichment
- 2026-07-02 23:40 UTCEG score recompute
- 2026-07-02 23:40 UTCGHSA enrichment
- 2026-07-02 11:37 UTCEG score recompute
Show 8 moreShow fewer
- 2026-07-02 11:37 UTCGHSA enrichment
- 2026-07-01 23:32 UTCEG score recompute
- 2026-07-01 23:31 UTCGHSA enrichment
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-07-01 11:28 UTCEG score recompute
- 2026-07-01 11:28 UTCGHSA enrichment
- 2026-06-30 23:24 UTCEG score recompute
- 2026-06-30 23:23 UTCNVD updatefirst tracked
Frequently asked(5)
What is CVE-2025-71349?
When was CVE-2025-71349 disclosed?
Is CVE-2025-71349 actively exploited?
What is the CVSS score of CVE-2025-71349?
How do I remediate CVE-2025-71349?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2025-71349
Is Your Infrastructure Affected by CVE-2025-71349?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.