Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%

Buy Us a Coffee

CVE-2026-55538— PraisonAI: [Auth Bypass] `praisonai serve agents --api-key` is silently ignored — agent-invocation routes (`POST /agents`, `POST /agents/{agent_name}`) run unauthenticated

Quick assessment

Affected

MervinPraison PraisonAI

Exploitation

Public or AI PoC available; prioritize validation

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PraisonAI 是一个多智能体团队协作系统。在 praisonai 4.6.51 版本之前，praisonai serve agents 会解析配置中的，但函数未对 POST /agents 和 POST /agents/{agent_name} 接口进行身份验证。即使缺少或提供错误的 Bearer Token 或 X-API-Key 值，请求仍可成功到达智能体执行环节。该问题已在 4.6.58 版本中得到修复。

CVSS 7.3 · High Updated Aug 26, 2026

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

Vendor	Product	Version Range	Status
MervinPraison	PraisonAI	`< 4.6.58`	affected

Get alerts for future matching vulnerabilities Log in to subscribe

Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!

View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title

PraisonAI: [Auth Bypass] `praisonai serve agents --api-key` is silently ignored — agent-invocation routes (`POST /agents`, `POST /agents/{agent_name}`) run unauthenticated

Source: CVE Program / CVE List V5

Vulnerability Description

PraisonAI is a multi-agent teams system. Prior to praisonai 4.6.51, praisonai serve agents parses config["api_key"] but _create_agents_app() does not authenticate POST /agents or POST /agents/{agent_name}. Missing or incorrect bearer and X-API-Key values still reach agent execution. This issue is fixed in version 4.6.58.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Source: CVE Program / CVE List V5

Vulnerability Type

关键功能的认证机制缺失

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
MervinPraison	PraisonAI	< 4.6.58	-

II. Public POCs for CVE-2026-55538

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

Qwen3.6-35B-A3B · 9039 chars

Pro+ exclusive includes:

Vulnerability reproduction recording (real sandbox build + trigger, exclusive)

In-depth vulnerability mechanism

Trigger conditions & impact

Full executable POC code

Exploit chain & mitigation

POC zip download

100+ AI POC generations per month

Upgrade to Pro+ to unlock Limited ¥499/month ¥599 Sign up first

III. Intelligence Information for CVE-2026-55538

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-55538 (1)

🔗 Release PraisonAI v4.6.58 · MervinPraison/PraisonAI · GitHub x_refsource_MISC

Vendor Advisories for CVE-2026-55538 (1)

🔗 [Auth Bypass] `praisonai serve agents --api-key` is silently ignored — agent-invocation routes (`POST /agents`, `POST /agents/{agent_name}`) run unauthenticated · Advisory · MervinPraison/PraisonAI · GitHub Read full article x_refsource_CONFIRM

https://www.cve.org/CVERecord?id=CVE-2026-55538

Same Patch Batch · MervinPraison · 2026-08-25 · 17 CVEs total

CVE-2026-55536	9.1 CRITICAL	Browser Server WebSocket origin validation bypass via unanchored regex (patch bypass of CV
CVE-2026-55541	8.8 HIGH	PraisonAI: `--api-key` flag on `praisonai serve` is not properly enforced
CVE-2026-55534	8.6 HIGH	PraisonAI serve agents --api-key is ignored, allowing unauthenticated remote agent executi
CVE-2026-55539	8.6 HIGH	PraisonAI: [Auth Bypass] PraisonAI async Jobs API (`/api/v1/runs`) has no authentication —
CVE-2026-55526	8.5 HIGH	PraisonAI: SSRF protection bypass in `spider_tools._host_is_blocked()` via DNS-resolved ho
CVE-2026-55528	8.2 HIGH	praisonaiagents: AgentServer declares auth_token but never enforces it on any route (CWE-8
CVE-2026-55533	8.2 HIGH	PraisonAI: Authentication fail-open in Recipe server allows unauthenticated access when AP
CVE-2026-55532	7.6 HIGH	PraisonAI: Origin-validation bypass (startswith prefix match) enables unauthenticated cros
CVE-2026-55525	7.5 HIGH	PraisonAI: SSRF via redirect-following in praisonaiagents web_crawl
CVE-2026-55537	7.1 HIGH	PraisonAI: Webhook SSRF via DNS fail-open in `JobSubmitRequest.validate_webhook_url()` — b
CVE-2026-55527	7.1 HIGH	PraisonAI: Arbitrary file write via unsanitized `user_id` in `FileMemory.__init__()` — pat
CVE-2026-55540	7.1 HIGH	PraisonAI: [Path Traversal] agent tools escape the configured workspace via symlinks
CVE-2026-55529	6.9 MEDIUM	PraisonAI: Origin validation bypass in MCP HTTP Stream transport allows browser-mediated u
CVE-2026-55535	6.8 MEDIUM	PraisonAI: Server-Side Request Forgery via DNS rebinding bypass in webhook_url validation
CVE-2026-55531	6.5 MEDIUM	PraisonAI: Unauthenticated unbounded session accumulation in the PraisonAI MCP HTTP server
CVE-2026-55530	6.1 MEDIUM	PraisonAI: ast_grep_rewrite rewrites arbitrary files without the @require_approval gate en

IV. Related Vulnerabilities

Same product: PraisonAI

Same vendor: MervinPraison

Same weakness: CWE-306

V. Comments for CVE-2026-55538

No comments yet

Goal Reached Thanks to every supporter — we hit 100%!

CVE-2026-55538— PraisonAI: [Auth Bypass] `praisonai serve agents --api-key` is silently ignored — agent-invocation routes (`POST /agents`, `POST /agents/{agent_name}`) run unauthenticated

Quick assessment

Possible ATT&CK Techniques 1 AI

Affected Version Matrix 1

I. Basic Information for CVE-2026-55538

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-55538

III. Intelligence Information for CVE-2026-55538

Patches & Fixes for CVE-2026-55538 (1)

Vendor Advisories for CVE-2026-55538 (1)

Same Patch Batch · MervinPraison · 2026-08-25 · 17 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-55538

Leave a comment