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Malicious code in leakdeep (PyPI)

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • PyPI leakdeep

    Affected
    >= 2.6.4, <= 2.6.4>= 2.5.0, <= 2.5.0>= 2.6.6, <= 2.6.6>= 2.5.2, <= 2.5.2>= 2.6.0, <= 2.6.0>= 2.4.1, <= 2.4.1>= 2.4.5, <= 2.4.5>= 2.6.2, <= 2.6.2>= 3.0.0, <= 3.0.0
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
not scored
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

--- _-= Per source details. Do not edit below this line.=-_

Source: amazon-inspector (c0818f9da5e7dc1413ff1b2a24d3cb53d0b49d06bd802502296d6d8e8e536fee) The package presents itself as an OSINT / credential-leak intelligence framework with a search CLI, but the advertised SearchEngine.search is a stub returning an empty list. Every invocation of the CLI (cli.main) unconditionally starts a background thread via SystemInfo.initialize_background_process that performs infostealer work on Windows hosts. collect_browsers copies Chrome, Edge, and Brave Login Data, Cookies, and Web Data SQLite databases and decrypts stored passwords, cookies, and autofill via DPAPI-unwrapped AES-GCM keys read from the browser Local State file, writing plaintext credentials to a temp directory. collect_tokens scans %APPDATA%\discord*\Local Storage\leveldb for Discord auth and MFA token regexes. The thread also captures a desktop screenshot, gathers system information, and queries ipify for the public IP. The…

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from osv record MAL-2026-17921

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: mal-2026-17921

Advisory: Malicious code in leakdeep (PyPI)
IDs: mal-2026-17921
Record: https://patchnext.com/advisories/mal-2026-17921 (revision 1, source checked 30 Oct 2026, 06:40 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Unrated
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- PyPI leakdeep: affected >= 2.6.4, <= 2.6.4; >= 2.5.0, <= 2.5.0; >= 2.6.6, <= 2.6.6; >= 2.5.2, <= 2.5.2; >= 2.6.0, <= 2.6.0; >= 2.4.1, <= 2.4.1; >= 2.4.5, <= 2.4.5; >= 2.6.2, <= 2.6.2; >= 3.0.0, <= 3.0.0

## Suggested inspection (read-only)
- `python -m pip show leakdeep`: prints the installed version. Run with the environment that serves production active.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on leakdeep.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/MAL-2026-17921 (OSV record MAL-2026-17921 lists affected ranges: PyPI leakdeep >=2.6.4 =2.5.0 =2.6.6 =2.5.2 =2.6.0 =2.4.1 =2.4.5 =2.6.2 =3.0.0 <=3.0.0)

Commands are suggestions: review each one before running it.

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