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Malicious code in md-to-slides (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 md-to-slides

    Affected
    >= 0.1.0, <= 0.1.0>= 0.1.1, <= 0.1.1>= 0.1.2, <= 0.1.2>= 0.1.3, <= 0.1.3
    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: kam193 (b11c84f48dc5185cf83056d55f0b2fa64fa415afae3f258baa5887c1ce44bc7c) In this campaign, specific versions of involved affected packages hide malicious actions. The malicious code is hidden in specific versions of a dependency (is-it-ai), intentionally pinned by specific versions of dependent packages. All package versions were uploaded with malicious intention; the ones without malicious references are clearly intendent only to hide a cover for the rest. When triggered, the malicious action fingerprints the environment and contacts the remote server. If it responds with an URL, it will be downloaded and executed. The malicious code trigger is in 0.1.1, other releases are just to cover it. --- Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers. Campaign: 2026-10-is-it-ai Reasons (based on the campaign): - Downloads and executes a remote executable. - The malicious code is…

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

    Published from osv record MAL-2026-18428

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-2026-18428

Advisory: Malicious code in md-to-slides (PyPI)
IDs: mal-2026-18428
Record: https://patchnext.com/advisories/mal-2026-18428 (revision 1, source checked 1 Nov 2026, 06:10 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 md-to-slides: affected >= 0.1.0, <= 0.1.0; >= 0.1.1, <= 0.1.1; >= 0.1.2, <= 0.1.2; >= 0.1.3, <= 0.1.3

## Suggested inspection (read-only)
- `python -m pip show md-to-slides`: 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 md-to-slides.
- 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-2026-18428 (OSV record MAL-2026-18428 lists affected ranges: PyPI md-to-slides >=0.1.0 =0.1.1 =0.1.2 =0.1.3 <=0.1.3)

Commands are suggestions: review each one before running it.

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