Skip to content
CVE Ledger
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API documentationPage
  • MCP serverPage
  • Data sourcesPage
  • ChangelogPage
  • AboutPage
  • How it's builtPage
Back

CVE-2025-2000

Qiskit SDK code execution

Critical9.8EPSS 0.81%
Published
Updated
Reserved
Assigned by
ibm

Description

A maliciously crafted QPY file can potential execute arbitrary-code embedded in the payload without privilege escalation when deserialising QPY formats < 13. A python process calling Qiskit 0.18.0 through 1.4.1's `qiskit.qpy.load()` function could potentially execute any arbitrary Python code embedded in the correct place in the binary file as part of specially constructed payload.

Timeline

  1. ID reserved

    By ibm

  2. · 9 days later

    Published

  3. · 12 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2025-2000, by who scored it
Scored byCVSSScoreVector
ibmCNA (assigner)3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Analyzed3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.81% · top 43% of all CVEs (8 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

Affected products

Affected packages

From reviewed advisories of the GitHub Advisory Database.

What to do

Solution: Upgrade to Qiskit 1.4.2 or Qiskit 2.0.0, see: https://pypi.org/project/qiskit/ for the latest versions.

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2025-2000 badge
[![CVE-2025-2000](https://cveledger.app/badge/CVE-2025-2000.svg)](https://cveledger.app/cve/CVE-2025-2000)

Record last updated .