Vulnerability PYSEC-2026-4226
Medium Risk
MEDIUM RISK
CVSS Score: 4.3
Score Range: 4.0–6.9
Medium severity vulnerabilities (CVSS 4.0–6.9). Important issues that meaningfully reduce security confidence.
7 hours ago
October 15, 2026 at 10:22 AM UTC
Indico: Missing access check in legacy session export API
0.98-rc1 - 3.3.12
0.98-rc1 - 3.3.12
Summary
Indico: Missing access check in legacy session export API
Details
Impact
A legacy API to retrieve session details could be misused to retrieve metadata (such as title, description and conveners) of a restricted session within without having access to that session, as long as the event itself was accessible.
Patches
You should to update to Indico 3.3.13 as soon as possible. See the docs for instructions on how to update.
Workarounds
Restrict access to the event itself
For more information
If you have any questions or comments about this advisory:
- Open a thread in our forum
- Email us privately at [email protected]
Related Vulnerabilities
Other vulnerabilities affecting the same packages
Medium Risk
7 hours ago
Indico: Incomplete Server-Side Request Forgery (SSRF) check
0.98-rc1 - 3.3.12 PYSEC-2026-4225
0.98-rc1 - 3.3.12 PYSEC-2026-4225
Medium Risk
7 hours ago
Indico: Cross-Site-Scripting in link fields
0.98-rc1 - 3.3.12 PYSEC-2026-4227
0.98-rc1 - 3.3.12 PYSEC-2026-4227
Medium Risk
7 hours ago
Indico: Cross-Site-Scripting in minutes editor
0.98-rc1 - 3.3.12 PYSEC-2026-4228
0.98-rc1 - 3.3.12 PYSEC-2026-4228
Medium Risk
6 days ago
Indico: Incomplete Server-Side Request Forgery (SSRF) check
0.98-rc1 - 3.3.12 GHSA-2v95-h47v-g4x9
0.98-rc1 - 3.3.12 GHSA-2v95-h47v-g4x9
Medium Risk
6 days ago
Indico: Missing access check in legacy session export API
0.98-rc1 - 3.3.12 GHSA-6p4f-j8j6-463q
0.98-rc1 - 3.3.12 GHSA-6p4f-j8j6-463q
Impacted packages
Timeline
Published
7 hours ago
October 15, 2026 at 10:22 AM UTC
Fixed (3.3.13)
1 month ago
August 25, 2026 at 02:00 PM UTC
Last Modified
2 hours ago
October 15, 2026 at 02:45 PM UTC