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TI-2026-04966 Aliases CVE-2026-5659GHSA-wc65-8wqw-hgc9

pytries datrie trie File datrie.pyx Trie.__setstate__ deserialization

Priority MEDIUM 63CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

A vulnerability was found in pytries datrie up to 0.8.3. The affected element is the function Trie.load/Trie.read/Trie.__setstate__ of the file src/datrie.pyx of the component trie File Handler. The manipulation results in deserialization. The attack can be launched remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00268 19th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
pytriesdatrie0.8.0; 0.8.1; 0.8.2; 0.8.3—No fix listedCNA
  • datrie Vendorpytries Affected 0.8.0; 0.8.1; 0.8.2; 0.8.3 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-5659
  2. 2026-10-03 Alias added: GHSA-wc65-8wqw-hgc9

References

Exploit 1

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences