CVE-2026-55536

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, Browser Server handleconnection checks Chrome extension origins with re.match and the unanchored expression chrome-extension://a-z0-932. Extra trailing characters pass before websocket.accept, allowing startsession commands and...

PraisonAI has a Browser Server WebSocket origin validation bypass via unanchored regex (patch bypass of CVE-2026-40289 / GHSA-8x8f-54wf-vv92)

Summary praisonai/browser/server.py validates incoming WebSocket connections using a Chrome extension Origin check. The regex chrome-extension://a-z0-932 is applied with re.match, which only anchors at the start of the string, not the end. Any Origin header with more than 32 alphanumeric characte...

GHSA-6G6R-Q6GW-W8FG PraisonAI has a Browser Server WebSocket origin validation bypass via unanchored regex (patch bypass of CVE-2026-40289 / GHSA-8x8f-54wf-vv92)

Summary praisonai/browser/server.py validates incoming WebSocket connections using a Chrome extension Origin check. The regex chrome-extension://a-z0-932 is applied with re.match, which only anchors at the start of the string, not the end. Any Origin header with more than 32 alphanumeric characte...

CVE-2026-55536

PraisonAI , a multi-agent teams system, contains a patch bypass (of CVE-2026-40289) in its Browser Server _handle_connection() method. The origin validation uses re.match() with the unanchored pattern chrome-extension://[a-z0-9]{32}, so extra trailing characters are ignored, allowing an attacker ...

CVE-2026-55536

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, Browser Server handleconnection checks Chrome extension origins with re.match and the unanchored expression chrome-extension://a-z0-932. Extra trailing characters pass before websocket.accept, allowing startsession commands and...

CVE-2026-55536 Browser Server WebSocket origin validation bypass via unanchored regex (patch bypass of CVE-2026-40289 / GHSA-8x8f-54wf-vv92)

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, Browser Server handleconnection checks Chrome extension origins with re.match and the unanchored expression chrome-extension://a-z0-932. Extra trailing characters pass before websocket.accept, allowing startsession commands and...

PT-2026-81347

Name of the Vulnerable Software and Affected Versions PraisonAI versions prior to 4.6.58 Description The Browser Server contains an authentication bypass in the handle connection function. The server validates incoming WebSocket connections by checking the Chrome extension origin using re.match...

CVE-2026-55536: Improper Access Control

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.58, Browser Server handleconnection checks Chrome extension origins with re.match and the unanchored expression chrome-extension://a-z0-932. Extra trailing characters pass before websocket.accept, allowing startsession commands and...

MAL-2026-11992 Malicious code in workbench-browser-server (npm)

npm/workbench-browser-server is affected by the large-scale, self-propagating npm supply-chain worm of 2026-08-04 the "Shai-Hulud: Here We Go Again" wave — the same campaign that began with the compromise of the keyv and cacheable maintainer account. The listed versions were trojanized and...

Malicious code in workbench-browser-server (npm)

npm/workbench-browser-server is affected by the large-scale, self-propagating npm supply-chain worm of 2026-08-04 the "Shai-Hulud: Here We Go Again" wave — the same campaign that began with the compromise of the keyv and cacheable maintainer account. The listed versions were trojanized and...

PraisonAI Browser Server allows unauthenticated WebSocket clients to hijack connected extension sessions

Summarypraisonai browser start exposes the browser bridge on 0.0.0.0 by default, and its /ws endpoint accepts websocket clients that omit the Origin header entirely. An unauthenticated network client can connect as a fake controller, send startsession, cause the server to forward startautomation ...

PYSEC-2026-467 PraisonAI Browser Server allows unauthenticated WebSocket clients to hijack connected extension sessions

Summary praisonai browser start exposes the browser bridge on 0.0.0.0 by default, and its /ws endpoint accepts websocket clients that omit the Origin header entirely. An unauthenticated network client can connect as a fake controller, send startsession, cause the server to forward startautomation...

CVE-2026-12050: Improper Neutralization of Special Elements used in an SQL Command

SQL injection in pgAdmin 4's named restore point endpoint POST /browser/server/restorepoint/gid/sid. The user-supplied 'value' field was interpolated directly into the SQL string with str.format instead of being passed as a bound parameter, allowing an authenticated pgAdmin user with a connected...

CVE-2026-12199

A vulnerability in nltk.app.wordnetapp up to version 3.9.3 allows unauthenticated remote shutdown of the local WordNet Browser HTTP server when started in its default mode. The server listens on all interfaces and processes a specific unauthenticated GET request /SHUTDOWN%20THE%20SERVER to...

PT-2026-50238

A vulnerability in nltk.app.wordnet app up to version 3.9.3 allows unauthenticated remote shutdown of the local WordNet Browser HTTP server when started in its default mode. The server listens on all interfaces and processes a specific unauthenticated GET request /SHUTDOWN%20THE%20SERVER to...

GHSA-8X8F-54WF-VV92 PraisonAI Browser Server allows unauthenticated WebSocket clients to hijack connected extension sessions

Summary praisonai browser start exposes the browser bridge on 0.0.0.0 by default, and its /ws endpoint accepts websocket clients that omit the Origin header entirely. An unauthenticated network client can connect as a fake controller, send startsession, cause the server to forward startautomation...

GHSA-VR5G-MMX7-H897 OpenClaw has Browser SSRF Policy Bypass via Interaction-Triggered Navigation

Impact Browser SSRF Policy Bypass via Interaction-Triggered Navigation. Browser interactions could trigger navigations that bypassed the normal SSRF navigation checks. OpenClaw is a user-controlled local assistant. This advisory is scoped to the OpenClaw trust model and does not assume a...

CVE-2026-33230 nltk Vulnerable to Cross-site Scripting

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, nltk.app.wordnetapp contains a reflected cross-site scripting issue in the lookup... route. A crafted...

CVE-2026-33230

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. In versions 3.9.3 and prior, "nltk.app.wordnetapp" contains a reflected cross-site scripting issue in the "lookup..." route. A craft...

CVE-2026-33230

NLTK WordNet Browser (nltk.app.wordnet_app) in versions <= 3.9.3 contains a reflected XSS in the lookup_ route, where attacker-controlled word data is echoed into HTML without escaping, enabling arbitrary HTML/JS execution in the local browser context. Public advisories and vendor notices conf...