CVE-2026-107290
CVE-2026-107290 · Pydantic AI: Event loop blocked by quadratic title extraction in `web_fetch`
Здесь приведены факты из открытых источников об уязвимостях. Перед обновлением ознакомьтесь с исходным сообщением.
Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 1.77.0 until 1.107.6 and 2.44.0, the local web_fetch_tool and the WebFetch local fallback process server-controlled responses with quadratic title extraction, whitespace normalization, and ordered-list numbering. An attacker-controlled page of modest size can therefore block the event loop for an extended period, stalling other agent runs and requests, while unsupported codecs or excessive HTML or JSON nesting can abort an individual run. This issue is fixed in versions 1.107.6 and 2.44.0.
CVSS 6.5 · Средний · EPSS 0,5% · Есть исправление
- Опубликовано
- Обновлено
Стек: python
Затронутые продукты и версии
pydantic-ai
- Версии
- >= 1.77.0, < 1.107.6: Затронуто
- >= 2.0.0b1, < 2.44.0: Затронуто
Нет опубликованного исправления
pydantic-ai-slim
- Версии
- >= 1.77.0, < 1.107.6: Затронуто
- >= 2.0.0b1, < 2.44.0: Затронуто
Нет опубликованного исправления
pydantic-ai PyPI
- Версии
- 1.100.0
- 1.101.0
- 1.102.0
- 1.103.0
- 1.104.0
- 1.105.0
- 1.106.0
- 1.107.0
- 1.107.1
- 1.107.2
- 1.107.4
- 1.107.5
- 1.77.0
- 1.78.0
- 1.79.0
- 1.80.0
- 1.81.0
- 1.82.0
- 1.83.0
- 1.84.0
- 1.84.1
- 1.85.0
- 1.85.1
- 1.86.0
- 1.86.1
- 1.87.0
- 1.88.0
- 1.89.0
- 1.89.1
- 1.90.0
- 1.91.0
- 1.92.0
- 1.93.0
- 1.94.0
- 1.95.0
- 1.95.1
- 1.96.0
- 1.96.1
- 1.97.0
- 1.98.0
- 1.99.0
- Затронутые диапазоны версий
- ECOSYSTEM: ≥ 1.77.0, < 1.107.6
Обновитесь до 1.107.6
pydantic-ai PyPI
- Версии
- 2.0.0
- 2.0.0b1
- 2.0.0b2
- 2.0.0b3
- 2.0.0b4
- 2.0.0b5
- 2.0.0b6
- 2.0.0b7
- 2.1.0
- 2.10.0
- 2.11.0
- 2.12.0
- 2.13.0
- 2.14.0
- 2.14.1
- 2.15.0
- 2.16.0
- 2.17.0
- 2.18.0
- 2.19.0
- 2.2.0
- 2.20.0
- 2.21.0
- 2.22.0
- 2.23.0
- 2.24.0
- 2.25.0
- 2.26.0
- 2.27.0
- 2.27.1
- 2.28.0
- 2.29.0
- 2.3.0
- 2.30.0
- 2.31.0
- 2.31.1
- 2.32.0
- 2.32.1
- 2.32.2
- 2.33.0
- 2.34.0
- 2.35.0
- 2.35.1
- 2.35.3
- 2.36.0
- 2.37.0
- 2.38.0
- 2.39.0
- 2.4.0
- 2.40.0
- 2.41.0
- 2.42.0
- 2.43.0
- 2.5.0
- 2.5.1
- 2.6.0
- 2.7.0
- 2.8.0
- 2.9.0
- 2.9.1
- Затронутые диапазоны версий
- ECOSYSTEM: ≥ 2.0.0b1, < 2.44.0
Обновитесь до 2.44.0
pydantic-ai-slim PyPI
- Версии
- 1.100.0
- 1.101.0
- 1.102.0
- 1.103.0
- 1.104.0
- 1.105.0
- 1.106.0
- 1.107.0
- 1.107.1
- 1.107.2
- 1.107.4
- 1.107.5
- 1.77.0
- 1.78.0
- 1.79.0
- 1.80.0
- 1.81.0
- 1.82.0
- 1.83.0
- 1.84.0
- 1.84.1
- 1.85.0
- 1.85.1
- 1.86.0
- 1.86.1
- 1.87.0
- 1.88.0
- 1.89.0
- 1.89.1
- 1.90.0
- 1.91.0
- 1.92.0
- 1.93.0
- 1.94.0
- 1.95.0
- 1.95.1
- 1.96.0
- 1.96.1
- 1.97.0
- 1.98.0
- 1.99.0
- Затронутые диапазоны версий
- ECOSYSTEM: ≥ 1.77.0, < 1.107.6
Обновитесь до 1.107.6
pydantic-ai-slim PyPI
- Версии
- 2.0.0
- 2.0.0b1
- 2.0.0b2
- 2.0.0b3
- 2.0.0b4
- 2.0.0b5
- 2.0.0b6
- 2.0.0b7
- 2.1.0
- 2.10.0
- 2.11.0
- 2.12.0
- 2.13.0
- 2.14.0
- 2.14.1
- 2.15.0
- 2.16.0
- 2.17.0
- 2.18.0
- 2.19.0
- 2.2.0
- 2.20.0
- 2.21.0
- 2.22.0
- 2.23.0
- 2.24.0
- 2.25.0
- 2.26.0
- 2.27.0
- 2.27.1
- 2.28.0
- 2.29.0
- 2.3.0
- 2.30.0
- 2.31.0
- 2.31.1
- 2.32.0
- 2.32.1
- 2.32.2
- 2.33.0
- 2.34.0
- 2.35.0
- 2.35.1
- 2.35.3
- 2.36.0
- 2.37.0
- 2.38.0
- 2.39.0
- 2.4.0
- 2.40.0
- 2.41.0
- 2.42.0
- 2.43.0
- 2.5.0
- 2.5.1
- 2.6.0
- 2.7.0
- 2.8.0
- 2.9.0
- 2.9.1
- Затронутые диапазоны версий
- ECOSYSTEM: ≥ 2.0.0b1, < 2.44.0
Обновитесь до 2.44.0
pydantic-ai PyPI
- Версии
- 1.100.0
- 1.101.0
- 1.102.0
- 1.103.0
- 1.104.0
- 1.105.0
- 1.106.0
- 1.107.0
- 1.107.1
- 1.107.2
- 1.107.4
- 1.107.5
- 1.77.0
- 1.78.0
- 1.79.0
- 1.80.0
- 1.81.0
- 1.82.0
- 1.83.0
- 1.84.0
- 1.84.1
- 1.85.0
- 1.85.1
- 1.86.0
- 1.86.1
- 1.87.0
- 1.88.0
- 1.89.0
- 1.89.1
- 1.90.0
- 1.91.0
- 1.92.0
- 1.93.0
- 1.94.0
- 1.95.0
- 1.95.1
- 1.96.0
- 1.96.1
- 1.97.0
- 1.98.0
- 1.99.0
- 2.0.0
- 2.0.0b1
- 2.0.0b2
- 2.0.0b3
- 2.0.0b4
- 2.0.0b5
- 2.0.0b6
- 2.0.0b7
- 2.1.0
- 2.10.0
- 2.11.0
- 2.12.0
- 2.13.0
- 2.14.0
- 2.14.1
- 2.15.0
- 2.16.0
- 2.17.0
- 2.18.0
- 2.19.0
- 2.2.0
- 2.20.0
- 2.21.0
- 2.22.0
- 2.23.0
- 2.24.0
- 2.25.0
- 2.26.0
- 2.27.0
- 2.27.1
- 2.28.0
- 2.29.0
- 2.3.0
- 2.30.0
- 2.31.0
- 2.31.1
- 2.32.0
- 2.32.1
- 2.32.2
- 2.33.0
- 2.34.0
- 2.35.0
- 2.35.1
- 2.35.3
- 2.36.0
- 2.37.0
- 2.38.0
- 2.39.0
- 2.4.0
- 2.40.0
- 2.41.0
- 2.42.0
- 2.43.0
- 2.5.0
- 2.5.1
- 2.6.0
- 2.7.0
- 2.8.0
- 2.9.0
- 2.9.1
- Затронутые диапазоны версий
- ECOSYSTEM: ≥ 1.77.0, < 1.107.6 ∪ ≥ 2.0.0b1, < 2.44.0
Обновитесь до 1.107.6; Обновитесь до 2.44.0
pydantic-ai-slim PyPI
- Версии
- 1.100.0
- 1.101.0
- 1.102.0
- 1.103.0
- 1.104.0
- 1.105.0
- 1.106.0
- 1.107.0
- 1.107.1
- 1.107.2
- 1.107.4
- 1.107.5
- 1.77.0
- 1.78.0
- 1.79.0
- 1.80.0
- 1.81.0
- 1.82.0
- 1.83.0
- 1.84.0
- 1.84.1
- 1.85.0
- 1.85.1
- 1.86.0
- 1.86.1
- 1.87.0
- 1.88.0
- 1.89.0
- 1.89.1
- 1.90.0
- 1.91.0
- 1.92.0
- 1.93.0
- 1.94.0
- 1.95.0
- 1.95.1
- 1.96.0
- 1.96.1
- 1.97.0
- 1.98.0
- 1.99.0
- 2.0.0
- 2.0.0b1
- 2.0.0b2
- 2.0.0b3
- 2.0.0b4
- 2.0.0b5
- 2.0.0b6
- 2.0.0b7
- 2.1.0
- 2.10.0
- 2.11.0
- 2.12.0
- 2.13.0
- 2.14.0
- 2.14.1
- 2.15.0
- 2.16.0
- 2.17.0
- 2.18.0
- 2.19.0
- 2.2.0
- 2.20.0
- 2.21.0
- 2.22.0
- 2.23.0
- 2.24.0
- 2.25.0
- 2.26.0
- 2.27.0
- 2.27.1
- 2.28.0
- 2.29.0
- 2.3.0
- 2.30.0
- 2.31.0
- 2.31.1
- 2.32.0
- 2.32.1
- 2.32.2
- 2.33.0
- 2.34.0
- 2.35.0
- 2.35.1
- 2.35.3
- 2.36.0
- 2.37.0
- 2.38.0
- 2.39.0
- 2.4.0
- 2.40.0
- 2.41.0
- 2.42.0
- 2.43.0
- 2.5.0
- 2.5.1
- 2.6.0
- 2.7.0
- 2.8.0
- 2.9.0
- 2.9.1
- Затронутые диапазоны версий
- ECOSYSTEM: ≥ 1.77.0, < 1.107.6 ∪ ≥ 2.0.0b1, < 2.44.0
Обновитесь до 1.107.6; Обновитесь до 2.44.0
Первоисточники
- https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-fpf4-vwcp-v4hp
- https://github.com/pydantic/pydantic-ai/pull/8397
- https://github.com/pydantic/pydantic-ai/pull/8399
- https://github.com/pydantic/pydantic-ai/pull/8418
- https://github.com/pydantic/pydantic-ai/pull/84332
- https://github.com/pydantic/pydantic-ai/pull/8434
- https://github.com/pydantic/pydantic-ai/commit/2faa6181d8a17d83bc9516d035c5270db8730fa0
- https://github.com/pydantic/pydantic-ai/commit/9cdc952e4c3319e85a3e04f2de49fbbb765bd38b
- https://github.com/pydantic/pydantic-ai/commit/a93ea5226be1e93ae13131ae3f22287190411389
- https://github.com/pydantic/pydantic-ai/commit/c3fd1cc1f15fdbf750d78e4e3ec1e8b4d6a3d920
- https://github.com/pydantic/pydantic-ai/commit/fb92ccfc3ca2735dab877e2ed73856681bf72ad1
- https://github.com/pydantic/pydantic-ai/releases/tag/v1.107.6
- https://github.com/pydantic/pydantic-ai/releases/tag/v2.44.0
- https://nvd.nist.gov/vuln/detail/CVE-2026-107290