CVE-2026-6376: CWE-306 Missing authentication for critical function in SpiceJet Online Booking System
CVE-2026-6376 is a high-severity vulnerability in SpiceJet's Online Booking System that allows unauthenticated access to full passenger booking details using only a PNR and last name. This lack of authentication on a critical function exposes extensive personal, travel, and booking metadata to anyone who can obtain or guess these inputs. The vulnerability stems from missing access control on a sensitive data retrieval feature. There is no official patch or remediation level currently documented. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-6376) involves a missing authentication control (CWE-306) in SpiceJet's public booking retrieval page. The system permits retrieval of complete passenger booking information solely based on a PNR and last name, without any verification or authentication. This improper access control leads to exposure of sensitive personal and travel data. The CVSS 4.0 base score is 8.7, reflecting network attack vector, no privileges required, no user interaction, and high impact on confidentiality. The affected product is SpiceJet's Online Booking System, with all versions impacted. No patch or official remediation guidance is currently available, and the system is not cloud-hosted.
Potential Impact
The vulnerability allows any unauthenticated attacker who knows or can guess a passenger's PNR and last name to access full booking details, including personal and travel metadata. This results in a significant confidentiality breach, potentially exposing sensitive passenger information. There is no indication of impact on integrity or availability. No known exploits have been reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users and administrators should be aware of the risk of unauthorized data exposure. No vendor-provided mitigation or temporary fix is documented at this time.
CVE-2026-6376: CWE-306 Missing authentication for critical function in SpiceJet Online Booking System
Description
CVE-2026-6376 is a high-severity vulnerability in SpiceJet's Online Booking System that allows unauthenticated access to full passenger booking details using only a PNR and last name. This lack of authentication on a critical function exposes extensive personal, travel, and booking metadata to anyone who can obtain or guess these inputs. The vulnerability stems from missing access control on a sensitive data retrieval feature. There is no official patch or remediation level currently documented. No known exploits are reported in the wild at this time.
CVSS v4.0
Score 8.7high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-6376) involves a missing authentication control (CWE-306) in SpiceJet's public booking retrieval page. The system permits retrieval of complete passenger booking information solely based on a PNR and last name, without any verification or authentication. This improper access control leads to exposure of sensitive personal and travel data. The CVSS 4.0 base score is 8.7, reflecting network attack vector, no privileges required, no user interaction, and high impact on confidentiality. The affected product is SpiceJet's Online Booking System, with all versions impacted. No patch or official remediation guidance is currently available, and the system is not cloud-hosted.
Potential Impact
The vulnerability allows any unauthenticated attacker who knows or can guess a passenger's PNR and last name to access full booking details, including personal and travel metadata. This results in a significant confidentiality breach, potentially exposing sensitive passenger information. There is no indication of impact on integrity or availability. No known exploits have been reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users and administrators should be aware of the risk of unauthorized data exposure. No vendor-provided mitigation or temporary fix is documented at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- icscert
- Date Reserved
- 2026-04-15T16:31:32.165Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69ea89bd87115cfb685d0b0c
Added to database: 4/23/2026, 9:06:05 PM
Last enriched: 5/1/2026, 8:48:10 PM
Last updated: 6/7/2026, 7:52:29 AM
Views: 58
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