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CVE-2026-69703: Atlas‑Livre allows unauthenticated deletion of records

CVE-2026-69703 · published 3 months ago

Summary

The Atlas‑Livre web application’s admin controllers can be reached without logging in. By sending a specially crafted web request, an outsider can trigger actions that delete data even though the system thinks the user is not authenticated. Apply the vendor’s update or add a proper exit after redirects to stop the unauthorized code from running.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
maximeamini	atals-livre	<= de0893f

Original advisory text

Atlas-Livre Unauthenticated Access via Admin Controllers Missing Exit

Atlas-Livre contains an improper access control vulnerability in the admin controllers under Espace_admin/controleur/ that allows unauthenticated attackers to bypass session-based authentication guards by sending raw HTTP requests that ignore redirects. Attackers can invoke destructive admin actions such as record deletion by requesting controller endpoints with GET parameters like supp, because the PHP header() redirect is never followed by an exit or die call, allowing all subsequent code including database operations to execute regardless of session state.

References

https://www.vulncheck.com/advisories/atlas-livre-unauthenticated-access-via-admi... Vendor Advisory
https://github.com/maximeAmini/Atals-Livre Product
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/69xxx/CVE-2026-69703... Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-69703 Vendor Advisory
https://gist.github.com/arjunjaincs/8cd878b6628d587a1139febd40de9ac6 Third Party Advisory

Fix within

Internet-facing 3 days

Internal 60 days

Not known to be exploited
Can be exploited automatically
Gives an attacker full control

Severity

9.9 Critical

Exploitation

<1% chance of attack within 30 days

Type

CWE-306Missing Authentication for Critical Function

Timeline

Published4 Aug 2026

Updated4 Nov 2026

First seen4 Aug 2026

Sources

CVE-2026-69703 · NVD

CVE-2026-69703 · MITRE

CVE-2026-69703 · OSV

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