# Huggingface Transformers vulnerabilities

Source: https://junglewise.ai/threats/technologies/huggingface-transformers  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/huggingface-transformers.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 9 vulnerabilities in Huggingface Transformers: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-1839, was published on 7 April 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 9 (0 critical, 0 exploited in the wild)

## About Huggingface Transformers

Python library for natural language processing and machine learning models.

## Latest Huggingface Transformers vulnerabilities

- [CVE-2026-1839: HuggingFace Transformers allows for arbitrary code execution in the `Trainer` class](https://junglewise.ai/threats/cve-2026-1839-huggingface-transformers-allows-for-arbitrary-code-execution-in) (high, CVSS 7.8, published 7 Apr 2026)
- [CVE-2025-14930: Hugging Face Transformers GLM4 Deserialization of Untrusted Data Remote Code Execution Vulnerability. This…](https://junglewise.ai/threats/cve-2025-14930-pysec-2025-218-hugging-face-transformers-glm4-deserialization-of) (high, CVSS 7.8, published 23 Dec 2025)
- [CVE-2025-14929: Hugging Face Transformers X-CLIP Checkpoint Conversion Deserialization of Untrusted Data Remote Code Execution…](https://junglewise.ai/threats/cve-2025-14929-pysec-2025-217-hugging-face-transformers-x-clip-checkpoint) (high, CVSS 7.8, published 23 Dec 2025)
- [CVE-2025-14928: Hugging Face Transformers HuBERT convert_config Code Injection Remote Code Execution Vulnerability. This vulnerability…](https://junglewise.ai/threats/cve-2025-14928-pysec-2025-216-hugging-face-transformers-hubert-convert-config) (high, CVSS 7.8, published 23 Dec 2025)
- [CVE-2025-14927: Hugging Face Transformers SEW-D convert_config Code Injection Remote Code Execution Vulnerability. This vulnerability…](https://junglewise.ai/threats/cve-2025-14927-pysec-2025-215-hugging-face-transformers-sew-d-convert-config) (high, CVSS 7.8, published 23 Dec 2025)
- [CVE-2025-14926: Hugging Face Transformers SEW convert_config Code Injection Remote Code Execution Vulnerability. This vulnerability…](https://junglewise.ai/threats/cve-2025-14926-pysec-2025-214-hugging-face-transformers-sew-convert-config-code) (high, CVSS 7.8, published 23 Dec 2025)
- [CVE-2025-14924: Hugging Face Transformers megatron_gpt2 Deserialization of Untrusted Data Remote Code Execution Vulnerability. This…](https://junglewise.ai/threats/cve-2025-14924-pysec-2025-213-hugging-face-transformers-megatron-gpt2) (high, CVSS 7.8, published 23 Dec 2025)
- [CVE-2025-14921: Hugging Face Transformers Transformer-XL Model Deserialization of Untrusted Data Remote Code Execution Vulnerability…](https://junglewise.ai/threats/cve-2025-14921-pysec-2025-212-hugging-face-transformers-transformer-xl-model) (high, CVSS 7.8, published 23 Dec 2025)
- [CVE-2025-14920: Hugging Face Transformers Perceiver Model Deserialization of Untrusted Data Remote Code Execution Vulnerability. This…](https://junglewise.ai/threats/cve-2025-14920-pysec-2025-211-hugging-face-transformers-perceiver-model) (high, CVSS 7.8, published 23 Dec 2025)

## Most severe Huggingface Transformers vulnerabilities

- [CVE-2026-1839: HuggingFace Transformers allows for arbitrary code execution in the `Trainer` class](https://junglewise.ai/threats/cve-2026-1839-huggingface-transformers-allows-for-arbitrary-code-execution-in) (high, CVSS 7.8, published 7 Apr 2026)
- [CVE-2025-14929: Hugging Face Transformers X-CLIP Checkpoint Conversion Deserialization of Untrusted Data Remote Code Execution…](https://junglewise.ai/threats/cve-2025-14929-pysec-2025-217-hugging-face-transformers-x-clip-checkpoint) (high, CVSS 7.8, published 23 Dec 2025)
- [CVE-2025-14920: Hugging Face Transformers Perceiver Model Deserialization of Untrusted Data Remote Code Execution Vulnerability. This…](https://junglewise.ai/threats/cve-2025-14920-pysec-2025-211-hugging-face-transformers-perceiver-model) (high, CVSS 7.8, published 23 Dec 2025)
- [CVE-2025-14928: Hugging Face Transformers HuBERT convert_config Code Injection Remote Code Execution Vulnerability. This vulnerability…](https://junglewise.ai/threats/cve-2025-14928-pysec-2025-216-hugging-face-transformers-hubert-convert-config) (high, CVSS 7.8, published 23 Dec 2025)
- [CVE-2025-14927: Hugging Face Transformers SEW-D convert_config Code Injection Remote Code Execution Vulnerability. This vulnerability…](https://junglewise.ai/threats/cve-2025-14927-pysec-2025-215-hugging-face-transformers-sew-d-convert-config) (high, CVSS 7.8, published 23 Dec 2025)
- [CVE-2025-14926: Hugging Face Transformers SEW convert_config Code Injection Remote Code Execution Vulnerability. This vulnerability…](https://junglewise.ai/threats/cve-2025-14926-pysec-2025-214-hugging-face-transformers-sew-convert-config-code) (high, CVSS 7.8, published 23 Dec 2025)
- [CVE-2025-14930: Hugging Face Transformers GLM4 Deserialization of Untrusted Data Remote Code Execution Vulnerability. This…](https://junglewise.ai/threats/cve-2025-14930-pysec-2025-218-hugging-face-transformers-glm4-deserialization-of) (high, CVSS 7.8, published 23 Dec 2025)
- [CVE-2025-14924: Hugging Face Transformers megatron_gpt2 Deserialization of Untrusted Data Remote Code Execution Vulnerability. This…](https://junglewise.ai/threats/cve-2025-14924-pysec-2025-213-hugging-face-transformers-megatron-gpt2) (high, CVSS 7.8, published 23 Dec 2025)
- [CVE-2025-14921: Hugging Face Transformers Transformer-XL Model Deserialization of Untrusted Data Remote Code Execution Vulnerability…](https://junglewise.ai/threats/cve-2025-14921-pysec-2025-212-hugging-face-transformers-transformer-xl-model) (high, CVSS 7.8, published 23 Dec 2025)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Huggingface Transformers vulnerabilities", https://junglewise.ai/threats/technologies/huggingface-transformers, 9 November 2026.