PYSEC-2026-1237 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-2026-1238 Chainlit contains an authorization bypass vulnerability

Chainlit versions prior to 2.8.5 contain an authorization bypass through user-controlled key vulnerability. If this vulnerability is exploited, threads may be viewed or thread ownership may be obtained by an attacker who can log in to the product...

Missing Authorization

Overview chainlit is a Build Conversational AI. Affected versions of this package are vulnerable to Missing Authorization via the restoreexistingsession path in the WebSocket session restoration. An attacker can gain unauthorized access to another user's session and assume their permissions and...

CVE-2026-56104

CVE-2026-56104 affects Chainlit prior to 2.10.1. A session-hijacking flaw lets unauthenticated attackers restore and inherit an authenticated user session by presenting a valid sessionId during WebSocket session restoration, without ownership verification. The attacker can exploit the restore_exi...

CVE-2026-56104 Chainlit < 2.10.1 Session Hijacking via WebSocket Session Restoration

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...

EUVD-2026-38285

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...

CVE-2026-56104 Chainlit < 2.10.1 Session Hijacking via WebSocket Session Restoration

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...

CVE-2026-56104

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...

CVE-2026-56104 Chainlit < 2.10.1 Session Hijacking via WebSocket Session Restoration

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...

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...

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...

agentengine-sdk-python (>=0.2.0 <=0.4.0), agentic-chat-ui (>=0.1.0 <=0.2.4) +45 more potentially affected by CVE-2026-22219 via chainlit (>=1.0.0 <=2.6.3)

chainlit PYPI version =1.0.0, =0.2.0, =0.1.0, =0.3.0, =0.0.3, =0.14.0, =0.0.0, =0.1.1, =0.1.1, =0.1.0, =0.1.0, =0.1.0, =1.0.0, =0.1.0, =0.1.2 and more Source cves: CVE-2026-22219 Source advisory: OSV:GHSA-2G59-M95P-PGFQ...

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...