CVE-2026-6375 Authorization bypass through User-Controlled key in SpiceJet Online Booking System

High 8.7 Published Updated

Unauthenticated attackers can enumerate predictable PNRs to access passenger names due to missing authorization checks on the booking API.

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-2026-6375?

CVE-2026-6375 is a high-severity missing authorization vulnerability in SpiceJet Online Booking System, published on 23 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in SpiceJet’s booking API allows unauthenticated users to query passenger name records (PNRs) without any access controls. Because PNR identifiers follow a predictable pattern, an attacker could systematically enumerate valid records and obtain associated passenger names. This flaw stems from missing authorization checks on an endpoint intended for authenticated profile access.

Weakness: CWE-639

Which versions are affected by CVE-2026-6375?

How do I fix CVE-2026-6375?

No fix has been published for CVE-2026-6375 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-2026-6375 being exploited?

There is no known exploitation of CVE-2026-6375 in the wild and no public exploit code.

Sources

Also known as GHSA-x532-492q-g257.

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