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CVE-2026-28474— OpenClaw Nextcloud Talk < 2026.2.6 - Allowlist Bypass via actor.name Display Name Spoofing

Quick assessment

Affected
OpenClaw nextcloud-talk
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenClaw是openclaw开源的一个智能人工助理。 OpenClaw 2026.2.6之前版本存在安全漏洞，该漏洞源于允许列表验证接受对可变actor.name显示名字段的相等匹配，可能导致攻击者通过更改其Nextcloud显示名称以匹配允许列表中的用户ID，来获得对受限对话的未授权访问。

CVSS 9.8 · Critical EPSS 0.88% · P58

Possible ATT&CK Techniques 1 AI

T1136.003 · Cloud Account

Affected Version Matrix 1

VendorProduct Version RangeStatus
OpenClaw nextcloud-talk < 2026.2.6 affected
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I. Basic Information for CVE-2026-28474

Vulnerability Information
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Vulnerability Title
OpenClaw Nextcloud Talk < 2026.2.6 - Allowlist Bypass via actor.name Display Name Spoofing
Source: CVE Program / CVE List V5
Vulnerability Description
OpenClaw's Nextcloud Talk plugin versions prior to 2026.2.6 accept equality matching on the mutable actor.name display name field for allowlist validation, allowing attackers to bypass DM and room allowlists. An attacker can change their Nextcloud display name to match an allowlisted user ID and gain unauthorized access to restricted conversations.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
OpenClaw 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenClaw是openclaw开源的一个智能人工助理。 OpenClaw 2026.2.6之前版本存在安全漏洞，该漏洞源于允许列表验证接受对可变actor.name显示名字段的相等匹配，可能导致攻击者通过更改其Nextcloud显示名称以匹配允许列表中的用户ID，来获得对受限对话的未授权访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
OpenClaw nextcloud-talk 0 ~ 2026.2.6 -

II. Public POCs for CVE-2026-28474

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III. Intelligence Information for CVE-2026-28474

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Patches & Fixes for CVE-2026-28474 (1)

Vendor Advisories for CVE-2026-28474 (1)

Same Patch Batch · OpenClaw · 2026-03-05 · 46 CVEs total

CVE-2026-28466 9.9 CRITICAL OpenClaw < 2026.2.14 - Remote Code Execution via Node Invoke Approval Bypass
CVE-2026-28470 9.8 CRITICAL OpenClaw < 2026.2.2 - Exec Allowlist Bypass via Command Substitution in Double Quotes
CVE-2026-28391 9.8 CRITICAL OpenClaw < 2026.2.2 - Command Injection via cmd.exe Parsing Bypass in Allowlist Enforcemen
CVE-2026-28446 9.4 CRITICAL OpenClaw < 2026.2.1 - Inbound Allowlist Policy Bypass in voice-call Extension via Empty Ca
CVE-2026-29610 8.8 HIGH OpenClaw < 2026.2.14 - Command Hijacking via Unsafe PATH Handling
CVE-2026-28485 8.4 HIGH OpenClaw 2026.1.5 < 2026.2.12 - Missing Authentication in Browser Control HTTP Endpoints
CVE-2026-28463 8.4 HIGH OpenClaw < 2026.2.14 - Arbitrary File Read via Shell Expansion in Safe Bins Allowlist
CVE-2026-28451 8.3 HIGH OpenClaw < 2026.2.14 - SSRF via Feishu Extension Media Fetching
CVE-2026-28476 8.3 HIGH OpenClaw < 2026.2.14 - Server-Side Request Forgery in Tlon Extension Authentication
CVE-2026-28447 8.1 HIGH OpenClaw 2026.1.29-beta.1 < 2026.2.1 - Path Traversal in Plugin Installation via Package N
CVE-2026-28473 8.1 HIGH OpenClaw < 2026.2.2 - Authorization Bypass via /approve Chat Command
CVE-2026-28472 8.1 HIGH OpenClaw < 2026.2.2 - Device Identity Check Bypass in Gateway WebSocket Connect Handshake
CVE-2026-28458 8.1 HIGH OpenClaw 2026.1.20 < 2026.2.1 - Missing Authentication in Browser Relay /cdp WebSocket End
CVE-2026-28468 7.7 HIGH OpenClaw 2026.1.29-beta.1 < 2026.2.14 - Authentication Bypass in Sandbox Browser Bridge Se
CVE-2026-28393 7.7 HIGH OpenClaw 2.0.0-beta3 < 2026.2.14 - Arbitrary JavaScript Module Loading via Hook Transform
CVE-2026-28469 7.5 HIGH OpenClaw < 2026.2.14 - Cross-Account Policy Context Misrouting via Shared Webhook Path Amb
CVE-2026-28479 7.5 HIGH OpenClaw < 2026.2.15 - Cache Poisoning via Deprecated SHA-1 Hash in Sandbox Configuration
CVE-2026-28478 7.5 HIGH OpenClaw < 2026.2.13 - Denial of Service via Unbounded Webhook Request Body Buffering
CVE-2026-29609 7.5 HIGH OpenClaw < 2026.2.14 - Denial of Service via Unbounded URL-backed Media Fetch
CVE-2026-28392 7.5 HIGH OpenClaw < 2026.2.14 - Privilege Escalation in Slack Slash Command Handler via Direct Mess

Showing top 20 of 46 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: OpenClaw
Same weakness: CWE-863

V. Comments for CVE-2026-28474

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