CVE-2026-65605 SiYuan before v3.7.2 Stored XSS to RCE via Attribute View

SiYuan before v3.7.2 contains a stored cross-site scripting vulnerability in Attribute View database cell rendering. A Template column value is rendered as HTML via text/template without auto-escaping, and EscapeHTML is only applied when HasUnclosedHtmlTag returns true; because balanced...

EUVD-2026-48241

SiYuan before v3.7.2 contains a stored cross-site scripting vulnerability in Attribute View database cell rendering. A Template column value is rendered as HTML via text/template without auto-escaping, and EscapeHTML is only applied when HasUnclosedHtmlTag returns true; because balanced...

CVE-2026-65605 SiYuan before v3.7.2 Stored XSS to RCE via Attribute View

SiYuan before v3.7.2 contains a stored cross-site scripting vulnerability in Attribute View database cell rendering. A Template column value is rendered as HTML via text/template without auto-escaping, and EscapeHTML is only applied when HasUnclosedHtmlTag returns true; because balanced...

CVE-2026-65605

SiYuan before v3.7.2 contains a stored cross-site scripting vulnerability in Attribute View database cell rendering. A Template column value is rendered as HTML via text/template without auto-escaping, and EscapeHTML is only applied when HasUnclosedHtmlTag returns true; because balanced...

CVE-2026-65605 SiYuan before v3.7.2 Stored XSS to RCE via Attribute View

SiYuan before v3.7.2 contains a stored cross-site scripting vulnerability in Attribute View database cell rendering. A Template column value is rendered as HTML via text/template without auto-escaping, and EscapeHTML is only applied when HasUnclosedHtmlTag returns true; because balanced...

CVE-2026-65605

SiYuan prior to v3.7.2 is vulnerable to a stored XSS in the Attribute View (database) cell rendering. A Template column value is rendered as HTML via text/template without auto-escaping, with EscapeHTML applied only when HasUnclosedHtmlTag is true; balanced self-closing tags like can bypass this...

MCP Python SDK: Experimental task handlers allow any client to access and cancel other clients' tasks

SummaryIn affected versions, the default request handlers installed by the experimental tasks feature server.experimental.enabletasks did not check which session created a task before acting on it. On a server with more than one connected client, any client could observe, read results from, and...

sh _uid does not drop supplementary groups (incomplete privilege drop)

ImpactThe uid option performed an incomplete privilege drop on Linux/Unix-like systems.When sh was run from a process with elevated privileges, such as root, and a command was launched with uid=, the child process changed its UID and primary GID but did not reset its supplementary groups. As a...

PYSEC-2026-3540 sh _uid does not drop supplementary groups (incomplete privilege drop)

Impact The uid option performed an incomplete privilege drop on Linux/Unix-like systems. When sh was run from a process with elevated privileges, such as root, and a command was launched with uid=, the child process changed its UID and primary GID but did not reset its supplementary groups. As a...

PYSEC-2026-3481 MCP Python SDK: Experimental task handlers allow any client to access and cancel other clients' tasks

Summary In affected versions, the default request handlers installed by the experimental tasks feature server.experimental.enabletasks did not check which session created a task before acting on it. On a server with more than one connected client, any client could observe, read results from, and...

LangBot: Authenticated RCE Via MCP Configuration

SummaryAny authenticated user can achieve arbitrary command execution on the LangBot servers through changing the MCP Server Configuration by added an "STDIO" MCP with an arbitrary command. DetailsThe repository uses StdioServerParameters which is based on Anthropic's modelcontextprotocol open...

PYSEC-2026-3473 LangBot: Authenticated RCE Via MCP Configuration

Summary Any authenticated user can achieve arbitrary command execution on the LangBot servers through changing the MCP Server Configuration by added an "STDIO" MCP with an arbitrary command. Details The repository uses StdioServerParameters which is based on Anthropic's modelcontextprotocol open...

praisonai-platform: default JWT signing secret 'dev-secret-change-me' enables token forgery

praisonai-platform: default JWT signing secret dev-secret-change-meResearcher: Kai Aizen — SnailSploit @SnailSploit, Adversarial & Offensive Security ResearchTarget: https://github.com/MervinPraison/PraisonAI---Package: praisonai-platform on PyPILatest version and version tested: 0.1.4, current a...

PraisonAI SandlockSandbox falls back to unrestricted subprocess execution when Landlock is unavailable

Summarypraisonai.sandbox.SandlockSandbox is documented and implemented as the kernel-enforced sandbox backend for untrusted code. Its SandboxConfig.native path lets callers configure allowed filesystem paths and network=False.On systems where the optional sandlock module imports but reports that...

PYSEC-2026-3524 praisonai-platform: default JWT signing secret 'dev-secret-change-me' enables token forgery

praisonai-platform: default JWT signing secret dev-secret-change-me Researcher: Kai Aizen — SnailSploit @SnailSploit, Adversarial & Offensive Security Research Target: https://github.com/MervinPraison/PraisonAI --- Package: praisonai-platform on PyPI Latest version and version tested: 0.1.4,...

PYSEC-2026-3504 PraisonAI SandlockSandbox falls back to unrestricted subprocess execution when Landlock is unavailable

Summary praisonai.sandbox.SandlockSandbox is documented and implemented as the kernel-enforced sandbox backend for untrusted code. Its SandboxConfig.native path lets callers configure allowed filesystem paths and network=False. On systems where the optional sandlock module imports but reports tha...

PraisonAI: Missing Authentication for Critical Function and Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in praisonai

Unauthenticated PraisonAI UI MCP connect endpoint executes attacker-chosen local commands SummaryPraisonAI v4.6.48 exposes the PraisonAIUI MCP client management API through the default UI host apps without authentication. A remote unauthenticated client can send POST /api/mcp/connect with a comma...

PraisonAI A2U incomplete authentication fix leaves current serve command unauthenticated by default

SummaryThe published A2U advisory GHSA-f292-66h9-fpmf says unauthenticated A2U event streaming was fixed in praisonai 4.5.115. Current head still exposes the same A2U subscription and event routes without authentication when the operator starts the documented CLI entrypoint:textpraisonai serve a2...

PraisonAI recipe workflow policy can be bypassed by declaring and YAML-approving dangerous tools outside TEMPLATE.yaml

SummaryPraisonAI recipe execution has a dangerous-tool policy that is supposed to block default-denied tools unless the caller explicitly passes allowdangeroustools=True. That policy only checks tools declared in TEMPLATE.yaml requires.tools.For steps-based recipes, the actual execution path load...

PraisonAI: Webhook signature verification skipped (fail-open) when secret unset, allowing forged inbound webhooks (WhatsApp & Linear bots)

The WhatsApp and Linear bot adapters verify the inbound webhook HMAC signature onlywhen a secret is configured. When the secret environment variable is unset — thedefault on a fresh install and common in development — verification is skipped entirelyand the webhook body is parsed and dispatched a...