PT-2026-51339

Name of the Vulnerable Software and Affected Versions Chainlit versions prior to 2.10.1 Description An issue exists where unauthenticated attackers can restore and inherit authenticated user sessions. This occurs during WebSocket session restoration when a valid sessionId is presented without...

CVE-2026-56104: Missing Authorization

Chainlit before 2.10.1 contains a session hijacking vulnerability that allows unauthenticated attackers to restore and inherit authenticated user sessions by presenting a valid sessionId during WebSocket session restoration without ownership verification. Attackers can exploit the...

PraisonAI: Hardcoded `approval_mode="auto"` in Chainlit UI Overrides Administrator Configuration, Enabling Unapproved Shell Command Execution

Summary The Chainlit UI modules chat.py and code.py hardcode config.approvalmode = "auto" after loading administrator configuration from the PRAISONAPPROVALMODE environment variable, silently overriding any "manual" or "scoped" approval setting. This defeats the human-in-the-loop approval gate fo...

GHSA-QWGJ-RRPJ-75XM PraisonAI: Hardcoded `approval_mode="auto"` in Chainlit UI Overrides Administrator Configuration, Enabling Unapproved Shell Command Execution

Summary The Chainlit UI modules chat.py and code.py hardcode config.approvalmode = "auto" after loading administrator configuration from the PRAISONAPPROVALMODE environment variable, silently overriding any "manual" or "scoped" approval setting. This defeats the human-in-the-loop approval gate fo...

Server-Side Request Forgery (SSRF)

Chainlit is vulnerable to Server-Side Request Forgery SSRF. The vulnerability is due to fetching attacker-controlled URLs during element updates, where the SQLAlchemy data layer performs outbound HTTP GET requests on user-supplied url values, allowing authenticated attackers to access internal...

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...

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...

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...

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...

CVE-2026-22218: Improper Limitation of a Pathname to a Restricted Directory

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 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...

CVE-2026-22219: Server-Side Request Forgery (SSRF)

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...

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...