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CVE-2026-56845

Quick assessment

Affected
Rocket.Chat Rocket.Chat
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.

Rocket.Chat是Rocket.Chat公司开源的一个聊天软件。 Rocket.Chat存在路径遍历漏洞，该漏洞源于FileSystem存储模式下的/custom-sounds/路径未能正确限制“../”目录遍历序列，未经身份验证的攻击者可读取基础目录之外的任意文件。

AI Predicted 9.8 Difficulty: Trivial EPSS 0.60% · P47

Affected Version Matrix 7

VendorProduct Version RangeStatus
Rocket.Chat Rocket.Chat < 8.2.0 affected
< 8.1.1 affected
< 8.0.2 affected
< 7.13.4 affected
< 7.12.5 affected
< 7.11.5 affected
< 7.10.8 affected
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I. Basic Information for CVE-2026-56845

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated path traversal (LFI) vulnerability exists under /custom-sounds/ when CustomSounds storage is configured to FileSystem. By including ../ sequences in the request path, an attacker can read arbitrary files outside the base directory.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Rocket.Chat 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rocket.Chat是Rocket.Chat公司开源的一个聊天软件。 Rocket.Chat存在路径遍历漏洞，该漏洞源于FileSystem存储模式下的/custom-sounds/路径未能正确限制“../”目录遍历序列，未经身份验证的攻击者可读取基础目录之外的任意文件。
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
Rocket.Chat Rocket.Chat 0 ~ 8.2.0 -

II. Public POCs for CVE-2026-56845

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III. Intelligence Information for CVE-2026-56845

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Other References for CVE-2026-56845 (1)

IV. Related Vulnerabilities

Same product: Rocket.Chat
Same vendor: Rocket.Chat
Same weakness: CWE-22

V. Comments for CVE-2026-56845

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