CVE 9.8 CRITICAL

CVE-2026-36721_CVE-2026-36721

June 10, 2026 invoker category_cve

9.8 / 10

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

A lack of cryptographic signature verification in the validateAccessToken function of bookcars v8.3 allows attackers to bypass authentication via a forged JWT token.

AI Analysis

Lack of cryptographic signature verification allows attackers to bypass authentication via a forged JWT token

Basic Information

ID CVE-2026-36721

Source mitre

Published Jun 9, 2026 at 00:00

Modified Jun 10, 2026 at 13:55

Affected Product

Vendor CC-T-454455

Product bookcars

Version v8.3

Affected Versions n/a n/a n/a

CWE Classification

CWE-347

AI Assessment

AI Score 9.8 / 10

AI Severity Critical

Vendor CC-T-454455

Product bookcars

Version v8.3

References

github.com /CC-T-454455/Vulnerabilities/tree/master/bookcars/vulnerability-2

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    "published": "2026-06-09T00:00:00.000Z",
    "modified": "2026-06-10T13:55:28.804Z",
    "type": "cve",
    "title": "CVE-2026-36721",
    "source": "mitre",
    "references": "https://github.com/CC-T-454455/Vulnerabilities/tree/master/bookcars/vulnerability-2",
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    "bulletinFamily": "",
    "cwe": [
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        "cvssV3": {
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    "product": "bookcars",
    "version": "v8.3",
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    "ai_description": "Lack of cryptographic signature verification allows attackers to bypass authentication via a forged JWT token",
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