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CVE-2026-25640

A flaw was found in Pydantic AI. A remote attacker can exploit a path traversal vulnerability in the Pydantic AI web UI by crafting a malicious URL. This vulnerability arises from insufficient validation of the version query parameter, allowing the server to fetch and serve attacker-controlled HTML or JavaScript. If a victim clicks on such a link, malicious code can execute in their browser, potentially leading to the theft of sensitive client-side data, including chat history.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cac10ad0681bbfd5b557c50b18bd9cc517ca2f94f70e6cc86541a6bf73ba0099
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"product":"pydantic-ai","vendor":"pydantic","versions":[{"status":"affected","version":">= 1.34.0, < 1.51.0"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux_ai:3"],"defaultStatus":"affected","packageName":"rhelai3/bootc-cuda-rhel9","product":"Red Hat Enterprise Linux AI (RHEL AI) 3","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/adp/1/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux_ai:3"],"defaultStatus":"affected","packageName":"rhelai3/disk-image-cuda-rhel9","product":"Red Hat Enterprise Linux AI (RHEL AI) 3","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/adp/1/affected/1
cwe · 3 assertions

{"cweId":"CWE-22","description":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/adp/1/problemTypes/0/descriptions/0

{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

3 source assertions
{"product":"pydantic-ai","vendor":"pydantic","versions":[{"status":"affected","version":">= 1.34.0, < 1.51.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux_ai:3"],"defaultStatus":"affected","packageName":"rhelai3/bootc-cuda-rhel9","product":"Red Hat Enterprise Linux AI (RHEL AI) 3","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/adp/1/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux_ai:3"],"defaultStatus":"affected","packageName":"rhelai3/disk-image-cuda-rhel9","product":"Red Hat Enterprise Linux AI (RHEL AI) 3","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/adp/1/affected/1

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/adp/1/metrics/1/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-22","description":"Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/adp/1/problemTypes/0/descriptions/0
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-25640"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/adp/1/references/0
{"name":"RHBZ#2437753","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2437753"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/adp/1/references/1
{"name":"https://github.com/pydantic/pydantic-ai/releases/tag/v1.51.0","tags":["x_refsource_MISC"],"url":"https://github.com/pydantic/pydantic-ai/releases/tag/v1.51.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/cna/references/1
{"name":"https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-wjp5-868j-wqv7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/pydantic/pydantic-ai/security/advisories/GHSA-wjp5-868j-wqv7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/cna/references/0
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25640.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:55d5d2459773ad28837a4488498cdd8fb941ff9244ada69f5243ffc71f00a5c0 · sha256:e86e35756cde10c8… · /containers/adp/1/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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