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CVE-2025-1403

26
FAUCET Score

CVE-2025-1403 is a high-severity denial-of-service vulnerability affecting IBM Qiskit SDK versions 0.45.0 through 1.2.4. A remote attacker can exploit this by providing a specially crafted QPY file containing a malformed symengine serialization stream, leading to a segfault in the symengine library. The CVSS score of 8.6 indicates a network-exploitable vulnerability with low attack complexity and high impact on availability, requiring no user interaction or privileges. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.45.0, <= 1.2.4CPE matchmatch criteria
cpe:2.3:a:ibm:qiskit:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.6HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.69%
Probability of exploitation in next 30 days
EPSS Percentile
49.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0069 is in the 25th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: qiskitFixed in: 1.3.0

Vendor Advisories (1)

pipGHSA-fpmr-m242-xm7xhigh

Malciously crafted QPY files can allows Remote Attackers to Cause Denial of Service in Qiskit

Feb 21, 2025

References

ibm.com / support/pages/node/7183868
Vendor Advisory