CVE-2025-1521

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

PostHog slack_incoming_webhook Server-Side Request Forgery Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of PostHog. Authentication is required to exploit this vulnerability.

The specific flaw exists within the processing of the slack_incoming_webhook parameter. The issue results from the lack of proper validation of a URI prior to accessing resources. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-25352.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-918

Affected software

No affected versions have been published.

Timeline

Published: Apr 23, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

Related CVEs from 2025

CVE-2025-152109.8A security vulnerability has been detected in code-projects Refugee Food Management System 1.0. This vulnerability affects unknown code of t CVE-2025-152119.8A flaw has been found in code-projects Refugee Food Management System 1.0. Impacted is an unknown function of the file /home/refugee.php. Ex CVE-2025-152129.8A vulnerability was detected in code-projects Refugee Food Management System 1.0. This issue affects some unknown processing of the file /ho CVE-2025-152134.3A vulnerability has been found in code-projects Student File Management System 1.0. The affected element is an unknown function of the file CVE-2025-152144.8A vulnerability was found in Campcodes Park Ticketing System 1.0. The impacted element is the function save_pricing of the file admin_class.CVE-2025-152158.8A vulnerability was determined in Tenda AC10U 15.03.06.48/15.03.06.49. This affects the function formSetPPTPUserList of the file /goform/set CVE-2025-152168.8A vulnerability was identified in Tenda AC23 16.03.07.52. This impacts the function fromSetIpMacBind of the file /goform/SetIpMacBind. Such CVE-2025-152178.8A security flaw has been discovered in Tenda AC23 16.03.07.52. Affected is the function formSetPPTPUserList of the component HTTP POST Reque CVE-2025-152188.8A weakness has been identified in Tenda AC10U 15.03.06.48/15.03.06.49. Affected by this vulnerability is the function fromadvsetlanip of the CVE-2025-152195.4A security vulnerability has been detected in SohuTV CacheCloud up to 3.2.0. Affected by this issue is the function doMachineList/doPodList CVE-2025-15226.5PostHog database_schema Server-Side Request Forgery Information Disclosure Vulnerability. This vulnerability allows remote attackers to disc CVE-2025-152206.1A vulnerability was detected in SohuTV CacheCloud up to 3.2.0. This affects the function init of the file src/main/java/com/sohu/cache/web/c