Pydantic AI: Unbounded memory use when downloading remote content via web_fetch or FileUrl (pydantic pydantic-ai)
En bref
- Source
- NVD
- EPSS
- EPSS 0.44 % · centile 38 ()
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- GitHub_M
- Statut NVD
- Analyzed
Description
Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 1.77.0 until 1.107.2 and 2.24.0, web_fetch_tool, the WebFetch local fallback, and remote FileUrl media downloads buffer the complete HTTP response body before enforcing content-size controls. An attacker-influenced URL can stream an arbitrarily large response that exhausts process memory and crashes the worker; affected media types include ImageUrl, DocumentUrl, VideoUrl, and AudioUrl. SSRF protections remain effective, and the impact is limited to availability. This issue is fixed in versions 1.107.2 and 2.24.0.
Faiblesses (CWE)
- CWE-400 — Consommation de ressources non maîtrisée (déni de service)
Références
- https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-v2xh-2vp8-57h8
- https://github.com/pydantic/pydantic-ai/pull/7141
- https://github.com/pydantic/pydantic-ai/pull/7308
- https://github.com/pydantic/pydantic-ai/commit/7a64d049c3f5271a975cd1d64b2fa876d83ede1d
- https://github.com/pydantic/pydantic-ai/commit/e3824a58c82864ed26afb2887619834a4eb86cc8
- https://github.com/pydantic/pydantic-ai/releases/tag/v1.107.2
- https://github.com/pydantic/pydantic-ai/releases/tag/v2.24.0
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | GitHub_M |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · security-advisories@github.com (Secondary) |
Avis
- GHSA-v2xh-2vp8-57h8 — Pydantic AI: Unbounded memory use when downloading remote content via web_fetch or FileUrl
- PYSEC-2026-4280 — Pydantic AI: Unbounded memory use when downloading remote content via web_fetch or FileUrl
- PYSEC-2026-4289 — Pydantic AI: Unbounded memory use when downloading remote content via web_fetch or FileUrl
Références européennes
- ENISA EUVD · EUVD-2026-95104
- GCVE · GCVE-0-2026-107294
Configurations affectées (CPE NVD)
cpe:2.3:a:pydantic:pydantic_ai:*:*:*:*:*:python:*:*≥ 1.77.0 < 1.107.2cpe:2.3:a:pydantic:pydantic_ai:*:-:*:*:*:python:*:*≥ 2.0.0 < 2.24.0
Produits affectés
| Produit | Versions |
|---|---|
| pydantic · pydantic-ai | affected >= 1.77.0, < 1.107.2 ; affected >= 2.0.0b1, < 2.24.0 |
| pydantic · pydantic-ai-slim | affected >= 1.77.0, < 1.107.2 ; affected >= 2.0.0b1, < 2.24.0 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |