CVE & CISA-KEV CatalogNVD
CVE-2026-36727
CRITICAL9.1
CVSS v3
Description
An insecure authentication vulnerability in the /api/social-sign-in endpoint of bookcars v8.3 allows attackers to bypass authentication via a forged JWT token.
CVSS v3 Vector
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Exploit Intelligence
0.36%probability of exploitation in 30 days
28thpercentile
Low risk: more likely to be exploited than 28% of all known CVEs.
References
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-10.