CVE-2026-108729 Corteza through 2024.9.10 Unauthenticated Attachment Access via Compose Attachment Endpoints
Unauthenticated attackers can download private attachments by manipulating URL segments, bypassing permission boundaries in Corteza.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108729?
CVE-2026-108729 is a high-severity missing authorization vulnerability in cortezaproject corteza, published on 11 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Corteza through 2024.9.10 contains an incorrect authorization vulnerability in compose attachment endpoints that allows unauthenticated attackers to download private attachments by setting the URL kind segment to page, icon, or namespace. Attackers who know a private record or module attachment id can request the original or preview route without a token or signature to retrieve files across namespace and record permission boundaries.
Weakness: CWE-863
Which versions are affected by CVE-2026-108729?
How do I fix CVE-2026-108729?
No fix has been published for CVE-2026-108729 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-108729 being exploited?
There is no known exploitation of CVE-2026-108729 in the wild and no public exploit code.
Sources
Also known as GHSA-8hq6-x78m-7h79.