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CVE-2025-53640: Indico vulnerability allows attackers to bulk dump user details

July 14, 2025 (updated November 10, 2025)

An endpoint used to display details of users listed in certain fields (such as ACLs) could be misused to dump basic user details (such as name, affiliation and email) in bulk.

References

  • docs.getindico.io/en/stable/config/settings/
  • docs.getindico.io/en/stable/installation/upgrade
  • github.com/advisories/GHSA-q28v-664f-q6wj
  • github.com/indico/indico
  • github.com/indico/indico/pull/6936/commits/f8583557a3da56aeea8857ae69bf17c9066c95c1
  • github.com/indico/indico/releases/tag/v3.3.7
  • github.com/indico/indico/security/advisories/GHSA-q28v-664f-q6wj
  • nvd.nist.gov/vuln/detail/CVE-2025-53640
  • www.vicarius.io/vsociety/posts/cve202553640-detect-indico-vulnerability
  • www.vicarius.io/vsociety/posts/cve202553640-mitigate-indico-vulnerability

Code Behaviors & Features

Detect and mitigate CVE-2025-53640 with GitLab Dependency Scanning

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Affected versions

All versions starting from 2.2 before 3.3.7

Fixed versions

  • 3.3.7

Solution

Upgrade to version 3.3.7 or above.

Impact 6.5 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-639: Authorization Bypass Through User-Controlled Key
  • CWE-862: Missing Authorization

Source file

pypi/indico/CVE-2025-53640.yml

Spotted a mistake? Edit the file on GitLab.

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