Chainlit AI Framework Flaws Enable Data Theft via File Read and SSRF Bugs

Security vulnerabilities were uncovered in the popular open-source artificial intelligence AI framework Chainlit that could allow attackers to steal sensitive data, which may allow for lateral movement within a susceptible organization. Zafran Security said the high-severity flaws, collectively...

CVE-2026-22219

Chainlit versions prior to 2.9.4 contain a server-side request forgery SSRF vulnerability in the /project/element update flow when configured with the SQLAlchemy data layer backend. An authenticated client can provide a user-controlled url value in an Element, which is fetched by the SQLAlchemy...

CVE-2026-22218

Chainlit versions prior to 2.9.4 contain an arbitrary file read vulnerability in the /project/element update flow. An authenticated client can send a custom Element with a user-controlled path value, causing the server to copy the referenced file into the attacker’s session. The resulting element...

Chainlit contain a server-side request forgery (SSRF) vulnerability

Chainlit versions prior to 2.9.4 contain a server-side request forgery SSRF vulnerability in the /project/element update flow when configured with the SQLAlchemy data layer backend. An authenticated client can provide a user-controlled url value in an Element, which is fetched by the SQLAlchemy...

GHSA-2G59-M95P-PGFQ Chainlit contain a server-side request forgery (SSRF) vulnerability

Chainlit versions prior to 2.9.4 contain a server-side request forgery SSRF vulnerability in the /project/element update flow when configured with the SQLAlchemy data layer backend. An authenticated client can provide a user-controlled url value in an Element, which is fetched by the SQLAlchemy...

PYSEC-2026-598

Chainlit versions prior to 2.9.4 contain an arbitrary file read vulnerability in the /project/element update flow. An authenticated client can send a custom Element with a user-controlled path value, causing the server to copy the referenced file into the attacker’s session. The resulting element...

CVE-2026-22218

Chainlit versions prior to 2.9.4 contain an arbitrary file read vulnerability in the /project/element update flow. An authenticated client can send a custom Element with a user-controlled path value, causing the server to copy the referenced file into the attacker’s session. The resulting element...

Chainlit path traversal vulnerability

Chainlit is an open-source large-scale dialogue interface framework developed by Chainlit. Versions of Chainlit prior to 2.9.4 contained a path traversal vulnerability. This vulnerability stemmed from improper handling of path parameters during the update process for /project/element, potentially...

Chainlit code issue vulnerabilities

Chainlit is an open-source large-scale dialogue interface framework developed by Chainlit. Versions of Chainlit prior to 2.9.4 contained code vulnerabilities. These vulnerabilities stemmed from improper handling of URL parameters during the update process for projects/elements, which could lead t...

Server-side Request Forgery (SSRF)

Overview chainlit is a Build Conversational AI. Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the /project/element update flow when the SQLAlchemy data layer backend is configured. An attacker can cause the server to send arbitrary HTTP requests to intern...

CVE-2026-22219

Chainlit versions prior to 2.9.4 contain a server-side request forgery SSRF vulnerability in the /project/element update flow when configured with the SQLAlchemy data layer backend. An authenticated client can provide a user-controlled url value in an Element, which is fetched by the SQLAlchemy...

CVE-2026-22219 Chainlit < 2.9.4 SQLAlchemy Data Layer SSRF via /project/element

Chainlit versions prior to 2.9.4 contain a server-side request forgery SSRF vulnerability in the /project/element update flow when configured with the SQLAlchemy data layer backend. An authenticated client can provide a user-controlled url value in an Element, which is fetched by the SQLAlchemy...

CVE-2026-22219 Chainlit < 2.9.4 SQLAlchemy Data Layer SSRF via /project/element

Chainlit versions prior to 2.9.4 contain a server-side request forgery SSRF vulnerability in the /project/element update flow when configured with the SQLAlchemy data layer backend. An authenticated client can provide a user-controlled url value in an Element, which is fetched by the SQLAlchemy...

CVE-2026-22219 Chainlit < 2.9.4 SQLAlchemy Data Layer SSRF via /project/element

Chainlit versions prior to 2.9.4 contain a server-side request forgery SSRF vulnerability in the /project/element update flow when configured with the SQLAlchemy data layer backend. An authenticated client can provide a user-controlled url value in an Element, which is fetched by the SQLAlchemy...

CVE-2026-22219

CVE-2026-22219 affects Chainlit

CVE-2026-22218

Chainlit versions prior to 2.9.4 contain an arbitrary file read vulnerability in the /project/element update flow. An authenticated client can send a custom Element with a user-controlled path value, causing the server to copy the referenced file into the attacker’s session. The resulting element...

CVE-2026-22218 Chainlit < 2.9.4 Arbitrary File Read via /project/element

Chainlit versions prior to 2.9.4 contain an arbitrary file read vulnerability in the /project/element update flow. An authenticated client can send a custom Element with a user-controlled path value, causing the server to copy the referenced file into the attacker’s session. The resulting element...

CVE-2026-22218 Chainlit < 2.9.4 Arbitrary File Read via /project/element

Chainlit versions prior to 2.9.4 contain an arbitrary file read vulnerability in the /project/element update flow. An authenticated client can send a custom Element with a user-controlled path value, causing the server to copy the referenced file into the attacker’s session. The resulting element...

CVE-2026-22218 Chainlit < 2.9.4 Arbitrary File Read via /project/element

Chainlit versions prior to 2.9.4 contain an arbitrary file read vulnerability in the /project/element update flow. An authenticated client can send a custom Element with a user-controlled path value, causing the server to copy the referenced file into the attacker’s session. The resulting element...

CVE-2026-22218

Chainlit CVE-2026-22218 affects versions prior to 2.9.4 and is an arbitrary file read in the /project/element update flow. An authenticated client can submit a user-controlled path in a custom Element, causing the server to copy that file into the attacker’s session. The attacker can then retriev...