Vulnerability in indico (CVE-2026-107395)
Summary
Vulnerability in indico (CVE-2026-107395). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 3.3.13 or later.
Original description
The description as published by the source.
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 indico-team@cern.ch
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-107395 has been found in indico.
Risk of unauthorized operations or information disclosure. CVSS score: 4.3/10.
What to do: upgrade indico to 3.3.13 or later.
If unsure, ask your IT team or search "indico CVE-2026-107395" on the vendor's site.
CVE-2026-107395 (indico) — CWE-862 / CVSS v3 4.3
Attack vector: remote (network-reachable) / no user interaction
Patched: 3.3.13 — apply immediately
Workaround: Restrict access to the event itself
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-862) exists in indico.
Check the vendor advisory for the affected versions of indico.
Severity: Medium (CVSS 4.3/10). Risk of unauthorized operations or information disclosure.
Update to 3.3.13.
Workaround: Restrict access to the event itself
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'indico' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'indico' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
indicoを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply temporary workaround mitigate
Restrict access to the event itselfパッチが適用されるまでの応急処置として、Restrict access to the event itself を実施。回避策の副作用 (機能低下) を確認した上で。
-
3Apply patch patch
Upgrade indico to 3.3.13ステージング環境で 3.3.13 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
-
4Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- advisory nvd.nist.gov
- advisory github.com
- package github.com
- package pypi.org
- web github.com
- web github.com
- web github.com