CVE-2026-4538 | PyTorch 2.10.0 pt2 Loading deserialization (ID 176791)

VDB-352326 · CVE-2026-4538 · ID 176791 PYTORCH 2.10.0 PT2 LOADING DESERIALIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.8 $0-$5k 2.02 Summaryinfo A vulnerability, which was classified as critical, was found in PyTorch 2.10.0. The impacted element is an unknown function of the component pt2 Loading Handler. The manipulation results in deserialization. This vulnerability is identified as CVE-2026-4538. The attack is only possible with local access. Additionally, an exploit exists. The project was informed of the problem early through a pull request but has not reacted yet. Detailsinfo A vulnerability, which was classified as critical, was found in PyTorch 2.10.0. Affected is some unknown functionality of the component pt2 Loading Handler. The manipulation with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability. The advisory is available at github.com. This vulnerability is traded as CVE-2026-4538. The exploitability is told to be easy. Local access is required to approach this attack. Technical details are unknown but a public exploit is available. The exploit is shared for download at github.com. It is declared as proof-of-concept. The project was informed of the problem early through a pull request but has not reacted yet. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Name PyTorch Version 2.10.0 Website Product: https://github.com/pytorch/pytorch/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.3 VulDB Meta Temp Score: 4.8 VulDB Base Score: 5.3 VulDB Temp Score: 4.8 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Deserialization CWE: CWE-502 / CWE-20 CAPEC: 🔒 ATT&CK: 🔒 Physical: Partially Local: Yes Remote: No Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/21/2026 Advisory disclosed 03/21/2026 +0 days VulDB entry created 03/21/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: 176791 Status: Not defined CVE: CVE-2026-4538 (🔒) GCVE (CVE): GCVE-0-2026-4538 GCVE (VulDB): GCVE-100-352326 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 03/21/2026 09:18 Changes: 03/21/2026 09:18 (55) Complete: 🔍 Submitter: ez-lbz Cache ID: 99:469:101 Submitinfo Accepted Submit #774681: pytorch PyTorch 2.10.0 Release deserialize (by ez-lbz) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸