CVE-2026-91924 pgweb through 0.17.0 Missing Authorization on Direct Connect Endpoint
Attackers can bypass authorization on the connect endpoint to access unauthorized databases and internal services via arbitrary connection strings.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-91924?
CVE-2026-91924 is a high-severity missing authorization vulnerability in sosedoff pgweb, published on 15 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
pgweb through 0.17.0 leaves the POST /api/connect endpoint unguarded when connect-backend authorization is configured, allowing attackers to supply arbitrary database connection strings. Attackers can bypass the resource-to-database mapping by providing a custom session identifier and connection URL to access unauthorized databases and internal services.
Weakness: CWE-862
Which versions are affected by CVE-2026-91924?
How do I fix CVE-2026-91924?
No fix has been published for CVE-2026-91924 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-2026-91924 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-91924 exists.
Sources
Also known as GHSA-qp8h-c7qp-m297.