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CVE Vulnerability Details :
CVE-2026-4538
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-22 Mar, 2026 | 04:20
Updated At-23 Mar, 2026 | 16:21
Rejected At-
▼CVE Numbering Authority (CNA)
PyTorch pt2 Loading deserialization

A vulnerability was identified in PyTorch 2.10.0. The affected element is an unknown function of the component pt2 Loading Handler. The manipulation leads to deserialization. The attack can only be performed from a local environment. The exploit is publicly available and might be used. The project was informed of the problem early through a pull request but has not reacted yet.

Affected Products
Vendor
n/a
Product
PyTorch
Modules
  • pt2 Loading Handler
Versions
Affected
  • 2.10.0
Problem Types
TypeCWE IDDescription
CWECWE-502Deserialization
CWECWE-20Improper Input Validation
Type: CWE
CWE ID: CWE-502
Description: Deserialization
Type: CWE
CWE ID: CWE-20
Description: Improper Input Validation
Metrics
VersionBase scoreBase severityVector
4.04.8MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.15.3MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
3.05.3MEDIUM
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
2.04.3N/A
AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 4.8
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Version: 3.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Version: 2.0
Base score: 4.3
Base severity: N/A
Vector:
AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
ez-lbz (VulDB User)
Timeline
EventDate
Advisory disclosed2026-03-21 00:00:00
VulDB entry created2026-03-21 01:00:00
VulDB entry last update2026-03-21 09:18:51
Event: Advisory disclosed
Date: 2026-03-21 00:00:00
Event: VulDB entry created
Date: 2026-03-21 01:00:00
Event: VulDB entry last update
Date: 2026-03-21 09:18:51
Replaced By

Rejected Reason

References
HyperlinkResource
https://vuldb.com/?id.352326
vdb-entry
https://vuldb.com/?ctiid.352326
signature
permissions-required
https://vuldb.com/?submit.774681
third-party-advisory
https://github.com/pytorch/pytorch/pull/176791
exploit
issue-tracking
patch
https://github.com/pytorch/pytorch/
product
Hyperlink: https://vuldb.com/?id.352326
Resource:
vdb-entry
Hyperlink: https://vuldb.com/?ctiid.352326
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.774681
Resource:
third-party-advisory
Hyperlink: https://github.com/pytorch/pytorch/pull/176791
Resource:
exploit
issue-tracking
patch
Hyperlink: https://github.com/pytorch/pytorch/
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found