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CVE-2026-6376— Missing authentication for critical function in SpiceJet Online Booking System

Quick assessment

Affected
SpiceJet Online Booking System
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SpiceJet Online Booking System是印度SpiceJet公司的一个支持航班查询、预订与订单管理的在线订票系统。 SpiceJet Online Booking System存在访问控制错误漏洞，该漏洞源于对敏感数据检索功能的访问控制不当，可能导致未经身份验证的用户仅凭PNR和姓氏即可访问完整乘客预订详情。

AI Predicted 8.1 Difficulty: Easy EPSS 0.56% · P45
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I. Basic Information for CVE-2026-6376

Vulnerability Information
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Vulnerability Title
Missing authentication for critical function in SpiceJet Online Booking System
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness in SpiceJet’s public booking retrieval page permits full passenger booking details to be accessed using only a PNR and last name, with no authentication or verification mechanisms. This results in exposure of extensive personal, travel, and booking metadata to any unauthenticated user who can obtain or guess those basic inputs. The issue arises from improper access control on a sensitive data retrieval function.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
SpiceJet Online Booking System 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SpiceJet Online Booking System是印度SpiceJet公司的一个支持航班查询、预订与订单管理的在线订票系统。 SpiceJet Online Booking System存在访问控制错误漏洞，该漏洞源于对敏感数据检索功能的访问控制不当，可能导致未经身份验证的用户仅凭PNR和姓氏即可访问完整乘客预订详情。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SpiceJet Online Booking System All -

II. Public POCs for CVE-2026-6376

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III. Intelligence Information for CVE-2026-6376

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IV. Related Vulnerabilities

Same product: Online Booking System
Same vendor: SpiceJet
Same weakness: CWE-306

V. Comments for CVE-2026-6376

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