{"id":"CVE-2026-107291","summary":"Pydantic AI OpenTelemetry instrumentation: exception events on tool and agent run spans include content when `include_content=False`","details":"Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 0.3.4 until 1.107.6 and 2.44.0, OpenTelemetry instrumentation configured with InstrumentationSettings(include_content=False) can still export sensitive agent content through exception.message and exception.stacktrace events, error status descriptions, and model_request_parameters containing instructions or the prompted_output_template. The exposed data is available to readers of the configured telemetry backend and can include tool feedback, provider error bodies, runtime instructions, and structured-output templates even though message attributes are redacted. This issue does not grant new access to agent data, and deployments that do not use include_content=False are not affected by the setting bypass. This issue is fixed in versions 1.107.6 and 2.44.0.","aliases":["GHSA-4x9p-g9wm-8q7f"],"modified":"2026-10-09T02:52:04.169341864Z","published":"2026-10-08T16:22:51.763Z","database_specific":{"cwe_ids":["CWE-212","CWE-532"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107291.json","cna_assigner":"GitHub_M"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107291.json"},{"type":"FIX","url":"https://github.com/pydantic/pydantic-ai/commit/4e013c51a50659aba2adf7853bfb22bb77f6a518"},{"type":"FIX","url":"https://github.com/pydantic/pydantic-ai/commit/6b14c74cb281f899a2ae4fae5327111e33f60771"},{"type":"FIX","url":"https://github.com/pydantic/pydantic-ai/commit/7ee27e38ab2e525ca60ff1a25d16413ff989fd79"},{"type":"FIX","url":"https://github.com/pydantic/pydantic-ai/commit/963dec5f70d6f558997fc259356c0090cc5ea487"},{"type":"FIX","url":"https://github.com/pydantic/pydantic-ai/commit/de4e61515327bd80a19cd8552001c30933e6acc3"},{"type":"FIX","url":"https://github.com/pydantic/pydantic-ai/pull/8403"},{"type":"FIX","url":"https://github.com/pydantic/pydantic-ai/pull/8404"},{"type":"FIX","url":"https://github.com/pydantic/pydantic-ai/pull/8408"},{"type":"FIX","url":"https://github.com/pydantic/pydantic-ai/pull/8428"},{"type":"FIX","url":"https://github.com/pydantic/pydantic-ai/pull/8429"},{"type":"WEB","url":"https://github.com/pydantic/pydantic-ai/releases/tag/v1.107.6"},{"type":"WEB","url":"https://github.com/pydantic/pydantic-ai/releases/tag/v2.44.0"},{"type":"ADVISORY","url":"https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-4x9p-g9wm-8q7f"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107291"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/pydantic/pydantic-ai","events":[{"introduced":"a341e566274f8b82d15a8a2f7933fe732752cc5e"},{"fixed":"7ee27e38ab2e525ca60ff1a25d16413ff989fd79"},{"introduced":"6001a4549018ad5509f2c11ed6c38d2385159506"},{"fixed":"9fdabb4b2afb54ff7deb9013f6b43971324d9181"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0.3.4"},{"fixed":"1.107.6"},{"introduced":"2.0.0b1"},{"fixed":"2.44.0"}]}}],"versions":["v1.107.5","v2.43.0","v2.42.0","v2.41.0","v2.40.0","v2.39.0","v2.38.0","v2.37.0","v2.36.0","v2.35.3","v2.35.1","v2.35.0","v2.34.0","v2.33.0","v2.32.2","v2.32.1","v2.32.0","v2.31.1","v2.31.0","v2.30.0","v1.107.4","v2.29.0","v2.28.0","v1.107.2","v2.27.1","v2.27.0","v1.107.1","v2.26.0","v2.25.0","v2.24.0","v2.23.0","v2.22.0","v2.21.0","v2.20.0","v2.19.0","v2.18.0","v2.17.0","v2.16.0","v2.15.0","v2.14.1","v2.14.0","v2.13.0","v2.12.0","v2.11.0","v2.10.0","v2.9.1","v2.9.0","v1.107.0","v2.8.0","v2.7.0","v2.6.0","v2.5.1","v2.5.0","v2.4.0","v2.3.0","v2.2.0","v2.1.0","v2.0.0","v1.106.0","v1.105.0","v1.104.0","v1.103.0","v1.102.0","v1.91.0","v1.101.0","v1.100.0","v1.99.0","v1.98.0","v1.97.0","v1.96.0","v1.96.1","v1.94.0","v1.95.1","v1.95.0","v1.93.0","v1.92.0","v1.90.0","v1.89.1","v1.89.0","v1.88.0","v1.87.0","v1.86.0","v1.86.1","v1.85.1","v1.85.0","v1.84.1","v1.84.0","v1.83.0","v1.82.0","v1.81.0","v1.80.0","v1.79.0","v1.78.0","v1.77.0","v1.74.0","v1.76.0","v1.75.0","v1.73.0","v1.72.0","v1.70.0","v1.69.0","v1.68.0","v1.67.0","v1.66.0","v1.52.0","v1.65.0","v1.64.0","v1.63.0","v1.62.0","v1.61.0","v1.60.0","v1.59.0","v1.58.0","v1.57.0","v1.56.0","v1.55.0","v1.54.0","v1.53.0","v1.51.0","v1.50.0","v1.46.0","v1.49.0","v1.48.0","v1.47.0","v1.45.0","v1.44.0","v1.43.0","v1.42.0","v1.41.0","v1.40.0","v1.39.1","v1.39.0","v1.38.0","v1.37.0","v1.36.0","v1.35.0","v1.34.0","v1.33.0","v1.32.0","v1.31.0","v1.30.0","v1.29.0","v1.28.0","v1.27.0","v1.26.0","v1.25.1","v1.25.0","v1.24.0","v1.23.0","v1.22.0","v1.21.0","v1.20.0","v1.19.0","v1.18.0","v1.17.0","v1.16.0","v1.15.0","v1.14.1","v1.14.0","v1.13.0","v1.12.0","v1.11.1","v1.11.0","v1.10.0","v1.9.1","v1.9.0","v1.8.0","v1.7.0","v1.6.0","v1.5.0","v1.4.0","v1.3.0","v1.2.0","v1.1.0","v1.0.18","v1.0.17","v1.0.16","v1.0.15","v1.0.14","v1.0.13","v1.0.12","v1.0.11","v1.0.10","v1.0.9","v1.0.8","v1.0.7","v1.0.6","v1.0.5","v1.0.4","v1.0.3","v1.0.2","v1.0.1","v1.0.0","v1.0.0b1","v0.8.1","v0.8.0","v0.7.6","v0.7.5","v0.7.4","v0.7.3","v0.7.2","v0.7.1","v0.7.0","v0.6.2","v0.6.1","v0.6.0","v0.5.1","v0.5.0","v0.4.11","v0.4.10","v0.4.9","v0.4.8","v0.4.7","v0.4.6","v0.4.5","v0.4.4","v0.4.3","v0.4.2","v0.4.1","v0.4.0","v0.3.7","v0.3.6","v0.3.5","v0.3.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-107291.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}]}