CVE-2023-49874— IDOR when updating the tasks of a private playbook run
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I. Basic Information for CVE-2023-49874
Vulnerability Information
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Vulnerability Title
IDOR when updating the tasks of a private playbook run
Source: NVD (National Vulnerability Database)
Vulnerability Description
Mattermost fails to check whether a user is a guest when updating the tasks of a private playbook run allowing a guest to update the tasks of a private playbook run if they know the run ID.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mattermost 其他漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost 存在安全漏洞，该漏洞源于在更新私人 Playbook 运行的任务时无法检查用户是否为访客，攻击者利用该漏洞可以在知道运行 ID 的情况下更新私人 Playbook 运行的任务。
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)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mattermost | Mattermost | 0 ~ 8.1.5 | - |
II. Public POCs for CVE-2023-49874
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mattermost · 2023-12-12 · 8 CVEs total
| CVE-2023-45316 | 7.3 HIGH | Reflected client side path traversal leading to CSRF in Playbooks |
| CVE-2023-46701 | 6.5 MEDIUM | Inaccessible Post Information Leak via Run Timeline IDOR |
| CVE-2023-45847 | 4.3 MEDIUM | Playbook Plugin Crash via Run Checklist |
| CVE-2023-49809 | 4.3 MEDIUM | Todo plugin gets crashed and disabled by member |
| CVE-2023-49607 | 4.3 MEDIUM | Playbook plugin crash via missing interface type assertion |
| CVE-2023-6547 | 3.7 LOW | Playbooks access/modification by removed team member |
| CVE-2023-6727 | 3.1 LOW | Leak Inaccessible Playbook Information via Channel Action IDOR |
IV. Related Vulnerabilities
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Unbounded Request Body Read in MS Teams Plugin {{/changes}} - CVE-2026-21388
Unbounded Request Body Read in MS Teams Plugin {{/lifecycle}
Same vendor: Mattermost
- CVE-2026-3590
Race Condition in Guest Magic Link Authentication Allows Tok - CVE-2026-28741
CSRF Protection Bypass Allows Updating a User's Authenticati - CVE-2026-27769
Connected Workspaces: Malicious remote server can manipulate - CVE-2026-24661
Unbounded Request Body Read in MS Teams Plugin {{/changes}} - CVE-2026-21388
Unbounded Request Body Read in MS Teams Plugin {{/lifecycle}
Same weakness: CWE-284
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Avo: Broken Access Control: Unauthorized Execution of Arbitr - CVE-2026-41487
Langfuse: Improper role-based-access control in Langfuse LLM - CVE-2026-42278
UltraDAG: Smart Account Spending Policy Bypass via Pockets
V. Comments for CVE-2023-49874
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