CVE-2026-23478
10
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L
Summary
Cal.com is open-source scheduling software. From 3.1.6 to before 6.0.7, there is a vulnerability in a custom NextAuth JWT callback that allows attackers to gain full authenticated access to any user's account by supplying a target email address via session.update(). This vulnerability is fixed in 6.0.7.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| calcom | cal.com | >= 3.1.6, < 6.0.7 | affected |
Weaknesses
- CWE-602: CWE-602: Client-Side Enforcement of Server-Side Security
- CWE-639: CWE-639: Authorization Bypass Through User-Controlled Key
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: total
References
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