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Critical, CVSS 9.8amended

Deserialization of untrusted data in synthcity

CVE-2024-0937GHSA-4957-7vhp-7v59

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 synthcity

    Affected
    <= 0.2.9
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
  • CVE-2024-0937: 0.68% estimated exploitation activity in the next 30 days; percentile 52.61 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

A vulnerability, which was classified as critical, has been found in vanderSchaar LAB synthcity 0.2.9. Affected by this issue is the function loadfromfile of the component PKL File Handler. The manipulation leads to deserialization. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-252182 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early and confirmed immediately the existence of the issue. A patch is planned to be released in February 2024.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 2 · amended ·

    Amended from ghsa record GHSA-4957-7vhp-7v59

  2. Revision 1 · created ·

    Published from osv record GHSA-4957-7vhp-7v59

Agent brief

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

# Patch Next advisory brief: CVE-2024-0937

Advisory: Deserialization of untrusted data in synthcity
IDs: CVE-2024-0937, GHSA-4957-7vhp-7v59
Record: https://patchnext.com/advisories/cve-2024-0937 (revision 2, source checked 26 Oct 2026, 13:12 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Critical (CVSS 9.8)
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 synthcity: affected <= 0.2.9

## Suggested inspection (read-only)
- `python -m pip show synthcity`: 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 synthcity.
- 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/GHSA-4957-7vhp-7v59 (OSV record GHSA-4957-7vhp-7v59 lists affected ranges: PyPI synthcity >=0 <=0.2.9)
- Verified: https://github.com/advisories/GHSA-4957-7vhp-7v59 (GitHub-reviewed advisory GHSA-4957-7vhp-7v59 lists affected ranges: PyPI synthcity >=0 <=0.2.9)

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