Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
dydx-v4-client versions 1.1.5.post1 and later contain an obfuscated multi-stage loader that executes malicious code on the host system when the package is installed. The source gives few details about the final payload. Uninstall 1.1.5.post1 and revert to version 1.1.5; no fixed version is listed.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| Not published | None | 4.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS No score.
Timeline
- 31 Oct 2026, 14:34 UTC First seen by agentprime
- 31 Oct 2026, 14:34 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-4f84-67cv-qrv3
- OSV: GHSA-4f84-67cv-qrv3
- github.com/lenktn/lenktn-dydx-v4-python
- github.com/pypa/advisory-database/tree/main/vulns/dydx-v4-client/PYSEC-2026-1.yaml
- inspector.pypi.io/project/dydx-v4-client/1.1.5.post1/packages/4b/06/4d848676e932b0fc9d707bb78603dc76555141cc832819cd1e5077bdf2a2/dydx_v4_client-1.1.5.post1.tar.gz/dydx_v4_client-1.1.5.post1/dydx_v4_client/_bootstrap.py#line.18