High
pytorch — security advisory
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.
- Products
- pytorch
- Affected versions
- 1.7.1-7, 1.8.1-4, 2.12.1+dfsg-1, 2.6.0+dfsg-5build1, 2.6.0+dfsg-7, 2.6.0+dfsg-9, 2.9.1+dfsg-1~exp1ubuntu2
- Fixed versions
- Not specified
- CVEs
- CVE-2026-4538
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 03:05 UTC · Revision 1
Source evidence
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.
osv:UBUNTU-CVE-2026-4538
pytorch
Fixed versions: Not specified
pytorch
Fixed versions: Not specified
pytorch
Fixed versions: Not specified
pytorch
Fixed versions: Not specified
Complete source record
{
"id": "ebe587262fb030e8a2b09745faf3eadff0ab408ffce90b00b95ae3c021f4a016",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-4538",
"method": "structured",
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"title": "UBUNTU-CVE-2026-4538",
"summary": "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.",
"evidence": "osv:UBUNTU-CVE-2026-4538",
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{
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],
"modified": "2026-10-17T13:00:11.180441605Z",
"provider": "osv",
"upstream": [
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"references": [
"https://ubuntu.com/security/CVE-2026-4538",
"https://www.cve.org/CVERecord?id=CVE-2026-4538",
"https://github.com/pytorch/pytorch/",
"https://github.com/pytorch/pytorch/pull/176791",
"https://vuldb.com/?ctiid.352326",
"https://vuldb.com/?id.352326",
"https://vuldb.com/?submit.774681"
]
},
"related_cves": [
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"evidence": "/upstream"
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],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 360387,
"published_at": "2026-03-22T05:16:00+00:00"
}