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CVE-2026-108731— Raven 2.0.0 through 3.0.0 Missing Authorization via join_workspace Invite-Only Bypass

Quick assessment

Affected
The-Commit-Company raven
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.

Raven 2.0.0 至 3.0.0 版本存在一个授权缺失漏洞，允许已认证的用户通过忽略 设置，加入仅限邀请的公共工作区。拥有 Raven 用户角色的攻击者可以调用 方法，成为持久成员，并在公共频道和开放频道中读取和发布内容。

CVSS 5.4 · Medium EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1136 · Create Account

Affected Version Matrix 1

VendorProduct Version RangeStatus
The-Commit-Company raven 2.0.0≤ 3.0.0 affected
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I. Basic Information for CVE-2026-108731

Vulnerability Information
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Vulnerability Title
Raven 2.0.0 through 3.0.0 Missing Authorization via join_workspace Invite-Only Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
Raven 2.0.0 through 3.0.0 contains a missing authorization vulnerability that allows authenticated users to join invite-only Public workspaces by ignoring the can_only_join_via_invite setting. Attackers with the Raven User role can call the join_workspace method to become persistent members, reading and posting in Public and Open channels.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
The-Commit-Company raven 2.0.0 ~ 3.0.0 -

II. Public POCs for CVE-2026-108731

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-108731

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Patches & Fixes for CVE-2026-108731 (3)

Vendor Advisories for CVE-2026-108731 (1)

Other References for CVE-2026-108731 (1)

IV. Related Vulnerabilities

Same product: raven
Same vendor: The-Commit-Company
Same weakness: CWE-862

V. Comments for CVE-2026-108731

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