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CVE-2023-26041— Nextcloud Talk messages can still be seen on conversation after expiring when cron is misconfigured

Quick assessment

Affected
nextcloud security-advisories
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.

Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。 Nextcloud 15.0.3之前版本存在安全漏洞，该漏洞源于当作业配置错误且因此消息未过期时，API仍会返回它们，而它们随后被前端代码隐藏。

CVSS 2.6 · Low EPSS 0.80% · P56

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-26041

Vulnerability Information
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Vulnerability Title
Nextcloud Talk messages can still be seen on conversation after expiring when cron is misconfigured
Source: CVE Program / CVE List V5
Vulnerability Description
Nextcloud Talk is a fully on-premises audio/video and chat communication service. When cron jobs were misconfigured and therefore messages are not expired, the API would still return them while they were then hidden by the frontend code. It is recommended that the Nextcloud Talk is upgraded to 15.0.3. There are no workaround available.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
侵犯隐私
Source: CVE Program / CVE List V5
Vulnerability Title
Nextcloud 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。 Nextcloud 15.0.3之前版本存在安全漏洞，该漏洞源于当作业配置错误且因此消息未过期时，API仍会返回它们，而它们随后被前端代码隐藏。
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
nextcloud security-advisories < 15.0.3 -

II. Public POCs for CVE-2023-26041

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III. Intelligence Information for CVE-2023-26041

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Patches & Fixes for CVE-2023-26041 (1)

Vendor Advisories for CVE-2023-26041 (1)

Other References for CVE-2023-26041 (1)

IV. Related Vulnerabilities

Same product: security-advisories
Same vendor: nextcloud
Same weakness: CWE-359