{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-107292", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-07T15:53:23.586Z", "datePublished": "2026-10-08T16:26:48.144Z", "dateUpdated": "2026-10-14T01:01:07.590Z"}, "containers": {"cna": {"title": "Pydantic AI Web chat UI (`Agent.to_web()`, `clai web`): the local chat endpoint does not validate the `Host` header", "problemTypes": [{"descriptions": [{"cweId": "CWE-346", "lang": "en", "description": "CWE-346: Origin Validation Error", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-350", "lang": "en", "description": "CWE-350: Reliance on Reverse DNS Resolution for a Security-Critical Action", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-q2xc-rrxj-58x9", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-q2xc-rrxj-58x9"}, {"name": "https://github.com/pydantic/pydantic-ai/pull/7437", "tags": ["x_refsource_MISC"], "url": "https://github.com/pydantic/pydantic-ai/pull/7437"}, {"name": "https://github.com/pydantic/pydantic-ai/pull/7438", "tags": ["x_refsource_MISC"], "url": "https://github.com/pydantic/pydantic-ai/pull/7438"}, {"name": "https://github.com/pydantic/pydantic-ai/commit/394cc1d31656620704a703a2daed752afa5135fe", "tags": ["x_refsource_MISC"], "url": "https://github.com/pydantic/pydantic-ai/commit/394cc1d31656620704a703a2daed752afa5135fe"}, {"name": "https://github.com/pydantic/pydantic-ai/commit/871c7aeec5dfed2138655ccbccbf15c6d763bae7", "tags": ["x_refsource_MISC"], "url": "https://github.com/pydantic/pydantic-ai/commit/871c7aeec5dfed2138655ccbccbf15c6d763bae7"}, {"name": "https://github.com/pydantic/pydantic-ai/releases/tag/v1.107.5", "tags": ["x_refsource_MISC"], "url": "https://github.com/pydantic/pydantic-ai/releases/tag/v1.107.5"}, {"name": "https://github.com/pydantic/pydantic-ai/releases/tag/v2.30.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/pydantic/pydantic-ai/releases/tag/v2.30.0"}], "affected": [{"vendor": "pydantic", "product": "pydantic-ai", "versions": [{"version": ">= 1.34.0, < 2.0.0b1", "status": "affected"}, {"version": ">= 2.0.0b1, < 2.30.0", "status": "affected"}]}, {"vendor": "pydantic", "product": "pydantic-ai-slim", "versions": [{"version": ">= 1.34.0, < 2.0.0b1", "status": "affected"}, {"version": ">= 2.0.0b1, < 2.30.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-08T16:26:48.144Z"}, "descriptions": [{"lang": "en", "value": "Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 1.34.0 until 2.30.0, the Agent.to_web() and clai web development chat server does not validate the Host header, allowing a website visited by a developer to use DNS rebinding to reach a loopback-hosted agent as a same-origin service. The hostile page can read the served UI and submit chat requests that execute agent tools with the local process's privileges and credentials, causing data disclosure or unwanted side effects. Binding to localhost, Origin checks, and CSRF tokens do not prevent the same-origin DNS rebinding path. This issue is fixed in versions 1.107.5 and 2.30.0."}], "source": {"advisory": "GHSA-q2xc-rrxj-58x9", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-14T01:00:57.093893Z", "id": "CVE-2026-107292", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-14T01:01:07.590Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-107292", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-14T01:00:57.093893Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-14T01:01:01.729Z"}}], "cna": {"title": "Pydantic AI Web chat UI (`Agent.to_web()`, `clai web`): the local chat endpoint does not validate the `Host` header", "source": {"advisory": "GHSA-q2xc-rrxj-58x9", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "pydantic", "product": "pydantic-ai", "versions": [{"status": "affected", "version": ">= 1.34.0, < 2.0.0b1"}, {"status": "affected", "version": ">= 2.0.0b1, < 2.30.0"}]}, {"vendor": "pydantic", "product": "pydantic-ai-slim", "versions": [{"status": "affected", "version": ">= 1.34.0, < 2.0.0b1"}, {"status": "affected", "version": ">= 2.0.0b1, < 2.30.0"}]}], "references": [{"url": "https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-q2xc-rrxj-58x9", "name": "https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-q2xc-rrxj-58x9", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/pydantic/pydantic-ai/pull/7437", "name": "https://github.com/pydantic/pydantic-ai/pull/7437", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/pydantic/pydantic-ai/pull/7438", "name": "https://github.com/pydantic/pydantic-ai/pull/7438", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/pydantic/pydantic-ai/commit/394cc1d31656620704a703a2daed752afa5135fe", "name": "https://github.com/pydantic/pydantic-ai/commit/394cc1d31656620704a703a2daed752afa5135fe", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/pydantic/pydantic-ai/commit/871c7aeec5dfed2138655ccbccbf15c6d763bae7", "name": "https://github.com/pydantic/pydantic-ai/commit/871c7aeec5dfed2138655ccbccbf15c6d763bae7", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/pydantic/pydantic-ai/releases/tag/v1.107.5", "name": "https://github.com/pydantic/pydantic-ai/releases/tag/v1.107.5", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/pydantic/pydantic-ai/releases/tag/v2.30.0", "name": "https://github.com/pydantic/pydantic-ai/releases/tag/v2.30.0", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 1.34.0 until 2.30.0, the Agent.to_web() and clai web development chat server does not validate the Host header, allowing a website visited by a developer to use DNS rebinding to reach a loopback-hosted agent as a same-origin service. The hostile page can read the served UI and submit chat requests that execute agent tools with the local process's privileges and credentials, causing data disclosure or unwanted side effects. Binding to localhost, Origin checks, and CSRF tokens do not prevent the same-origin DNS rebinding path. This issue is fixed in versions 1.107.5 and 2.30.0."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-346", "description": "CWE-346: Origin Validation Error"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-350", "description": "CWE-350: Reliance on Reverse DNS Resolution for a Security-Critical Action"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-08T16:26:48.144Z"}}}, "cveMetadata": {"cveId": "CVE-2026-107292", "state": "PUBLISHED", "dateUpdated": "2026-10-14T01:01:07.590Z", "dateReserved": "2026-10-07T15:53:23.586Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-10-08T16:26:48.144Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "pydantic-ai", "vendor": "pydantic", "versions": [{"status": "affected", "version": ">= 1.34.0, < 2.0.0b1"}, {"status": "affected", "version": ">= 2.0.0b1, < 2.30.0"}]}, {"product": "pydantic-ai-slim", "vendor": "pydantic", "versions": [{"status": "affected", "version": ">= 1.34.0, < 2.0.0b1"}, {"status": "affected", "version": ">= 2.0.0b1, < 2.30.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:pydantic:pydantic_ai:*:*:*:*:*:python:*:*", "matchCriteriaId": "2156E022-D460-4CBD-8489-7E4F73588C8C", "versionEndExcluding": "1.107.5", "versionStartIncluding": "1.34.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:pydantic:pydantic_ai:*:-:*:*:*:python:*:*", "matchCriteriaId": "2C634A8A-B96C-4413-B2EB-9B6E218DF5BC", "versionEndExcluding": "2.30.0", "versionStartIncluding": "2.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 1.34.0 until 2.30.0, the Agent.to_web() and clai web development chat server does not validate the Host header, allowing a website visited by a developer to use DNS rebinding to reach a loopback-hosted agent as a same-origin service. The hostile page can read the served UI and submit chat requests that execute agent tools with the local process's privileges and credentials, causing data disclosure or unwanted side effects. Binding to localhost, Origin checks, and CSRF tokens do not prevent the same-origin DNS rebinding path. This issue is fixed in versions 1.107.5 and 2.30.0."}], "id": "CVE-2026-107292", "lastModified": "2026-10-14T01:17:05.360", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 4.7, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-107292", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-14T01:00:57.093893Z", "version": "2.0.3"}}]}, "published": "2026-10-08T17:17:14.770", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/pydantic/pydantic-ai/commit/394cc1d31656620704a703a2daed752afa5135fe"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/pydantic/pydantic-ai/commit/871c7aeec5dfed2138655ccbccbf15c6d763bae7"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/pydantic/pydantic-ai/pull/7437"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/pydantic/pydantic-ai/pull/7438"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Release Notes", "Vendor Advisory"], "url": "https://github.com/pydantic/pydantic-ai/releases/tag/v1.107.5"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Release Notes", "Vendor Advisory"], "url": "https://github.com/pydantic/pydantic-ai/releases/tag/v2.30.0"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-q2xc-rrxj-58x9"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-346"}, {"lang": "en", "value": "CWE-350"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "pydantic-ai: pydantic-ai: Unauthorized tool execution via DNS rebinding", "id": "2548049", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548049"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:L", "status": "draft"}, "cwe": "CWE-346", "details": ["A flaw was found in pydantic-ai. The web development chat server fails to validate incoming HTTP Host headers, allowing a remote attacker to achieve unauthorized tool execution and information disclosure. If a developer running the local development server visits a malicious website, an attacker can leverage Domain Name System (DNS) rebinding to bypass browser protections. This enables the attacker to send requests that execute agent tools with the permissions and credentials of the local process."], "name": "CVE-2026-107292", "package_state": [{"cpe": "cpe:/a:redhat:lightspeed_core", "fix_state": "Fix deferred", "package_name": "lightspeed-core/lightspeed-stack-rhel9", "product_name": "Lightspeed Core"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Fix deferred", "package_name": "rhelai3/bootc-cuda-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Fix deferred", "package_name": "rhelai3/bootc-gaudi-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Fix deferred", "package_name": "rhelai3/bootc-rocm-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Fix deferred", "package_name": "rhelai3/disk-image-cuda-rhel9", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}], "public_date": "2026-10-08T16:26:48Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-107292\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-107292\nhttps://github.com/pydantic/pydantic-ai/commit/394cc1d31656620704a703a2daed752afa5135fe\nhttps://github.com/pydantic/pydantic-ai/commit/871c7aeec5dfed2138655ccbccbf15c6d763bae7\nhttps://github.com/pydantic/pydantic-ai/pull/7437\nhttps://github.com/pydantic/pydantic-ai/pull/7438\nhttps://github.com/pydantic/pydantic-ai/releases/tag/v1.107.5\nhttps://github.com/pydantic/pydantic-ai/releases/tag/v2.30.0\nhttps://github.com/pydantic/pydantic-ai/security/advisories/GHSA-q2xc-rrxj-58x9"], "threat_severity": "Moderate"}