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Pytorch CVE-2025-46149

MEDIUM
Reachable Assertion (CWE-617)
2025-09-25 cve@mitre.org
5.3
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2021 - Vulnerable and Outdated Components
ASVS 5.0
V16 - Security Logging and Error Handling Reachable assertion handling
Impact

CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.02%.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

In PyTorch before 2.7.0, when inductor is used, nn.Fold has an assertion error. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected Packages

pypi torch fix: 2.7.0

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in pypi

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-617. In PyTorch before 2.7.0, when inductor is used, nn.Fold has an assertion error. Affected products include: Linuxfoundation Pytorch. Version information: before 2.7.0.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SUSE MEDIUM
Red Hat 4.0 MEDIUM

Primary rating from NVD.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

2
Patch released
Mar 28, 2026 - 19:14 nvd
Patch available
CVE Published
Sep 25, 2025 - 15:16 nvd
MEDIUM 5.3

DescriptionCVE.org

In PyTorch before 2.7.0, when inductor is used, nn.Fold has an assertion error.

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 346 pypi packages depend on torch (309 direct, 38 indirect)

Ecosystem-wide dependent count for version 2.6.0.

Executive ViewAI

Why It Matters

Organizations using PyTorch should be aware of moderate risk from CVE-2025-46149 rated CVSS 5.3. Exploitation could compromise the security of affected deployments. A patch is available and should be applied during regular vulnerability management.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score
0.0%
Top 95% exploitable
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.0%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
Low

Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:linuxfoundation:pytorch:*:*:*:*:*:python:*:*
CVE-2023-43654 CRITICAL POC
9.8 Sep 28

TorchServe is a tool for serving and scaling PyTorch models in production. Rated critical severity (CVSS 9.8), this vuln

CVE-2024-48063 CRITICAL POC
9.8 Oct 29

In PyTorch <=2.4.1, the RemoteModule has Deserialization RCE. Rated critical severity (CVSS 9.8), this vulnerability is

CVE-2025-1945 CRITICAL POC
9.8 Mar 10

PickleScan before 0.0.23 can be bypassed by flipping specific ZIP file header flag bits, allowing malicious pickle files

CVE-2022-45907 CRITICAL POC
9.8 Nov 26

In PyTorch before trunk/89695, torch.jit.annotations.parse_type_line can cause arbitrary code execution because eval is

CVE-2026-24747 HIGH POC
8.8 Jan 27

PyTorch is a Python package that provides tensor computation. [CVSS 8.8 HIGH]

CVE-2024-8020 HIGH POC
7.5 Mar 20

A vulnerability in lightning-ai/pytorch-lightning version 2.3.2 allows an attacker to cause a denial of service by sendi

CVE-2026-65918 HIGH POC
7.1 Jul 23

Out-of-bounds heap read in PyTorch torchvision's native GIF decoder (versions through 0.28.0) lets attackers who supply

CVE-2025-1944 MEDIUM POC
6.5 Mar 10

picklescan before 0.0.23 is vulnerable to a ZIP archive manipulation attack that causes it to crash when attempting to e

CVE-2024-35198 CRITICAL
9.8 Jul 19

TorchServe is a flexible and easy-to-use tool for serving and scaling PyTorch models in production. Rated critical sever

CVE-2025-32434 CRITICAL POC
9.3 Apr 18

PyTorch is a Python package that provides tensor computation with strong GPU acceleration and deep neural networks built

CVE-2025-33244 CRITICAL
9.0 Mar 24

NVIDIA APEX for Linux contains a deserialization of untrusted data vulnerability that affects environments using PyTorch

CVE-2025-2953 MEDIUM POC
4.8 Mar 30

A vulnerability, which was classified as problematic, has been found in PyTorch 2.6.0+cu124. Rated medium severity (CVSS

Vendor StatusVendor

SUSE

Severity: Medium

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