# Cal.com vulnerabilities Source: https://junglewise.ai/threats/technologies/cal-com Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/cal-com.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 10 vulnerabilities in Cal.com: 0 in the last 7 days and 2 in the last 90 days, 2 of them critical and 0 exploited in the wild. The most recent, CVE-2026-112043, was published on 19 October 2026. 2 vulnerabilities in the last four weeks, up from none in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 1 - Last 90 days: 2 - All time: 10 (2 critical, 0 exploited in the wild) ## About Cal.com An open-source scheduling infrastructure and appointment booking platform. ## Latest Cal.com vulnerabilities - [CVE-2026-112043: Cal.com authorization bypass in webhook handler](https://junglewise.ai/threats/cve-2026-112043-a-weakness-has-been-identified-in-calcom-cal-com-and-cal-diy-up) (medium, CVSS 6.3, published 19 Oct 2026) - [CVE-2026-109143: Cal.com credentials delete cross-team privilege escalation](https://junglewise.ai/threats/cve-2026-109143-a-vulnerability-was-determined-in-calcom-cal-com-and-cal-diy-up) (medium, CVSS 5.4, published 13 Oct 2026) - [CVE-2025-71389: Cal.com remote code execution via Next.js RSC deserialization](https://junglewise.ai/threats/cve-2025-71389-cal-com-remote-code-execution-via-next-js-rsc-deserialization) (critical, CVSS 10, published 23 Jul 2026) - [CVE-2024-58355: Cal.com stored XSS in booking question labels](https://junglewise.ai/threats/cve-2024-58355-cal-com-stored-xss-in-booking-question-labels) (high, CVSS 8.9, published 23 Jul 2026) - [CVE-2024-58354: Calcom cal.diy repository takeover via GitHub Actions pull_request_target](https://junglewise.ai/threats/cve-2024-58354-calcom-cal-diy-repository-takeover-via-github-actions-pull) (critical, CVSS 9.9, published 23 Jul 2026) - [CVE-2024-58353: Cal.com cal.diy stored XSS in booking question labels](https://junglewise.ai/threats/cve-2024-58353-cal-com-cal-diy-stored-xss-in-booking-question-labels) (high, CVSS 8.9, published 23 Jul 2026) - [CVE-2026-63768: calcom cal.diy open redirect in conferencing OAuth callback](https://junglewise.ai/threats/cve-2026-63768-calcom-cal-diy-open-redirect-in-conferencing-oauth-callback) (medium, CVSS 4.3, published 20 Jul 2026) - [CVE-2026-9349: Cal.com cal.diy information disclosure in getServerSideProps](https://junglewise.ai/threats/cve-2026-9349-cal-com-cal-diy-information-disclosure-in-getserversideprops) (medium, CVSS 5.3, published 24 May 2026) - [CVE-2026-9304: Calcom cal.diy SSRF via HTTP Redirect in Logo API](https://junglewise.ai/threats/cve-2026-9304-calcom-cal-diy-ssrf-via-http-redirect-in-logo-api) (medium, CVSS 5, published 23 May 2026) - [CVE-2026-9303: Cal.com cal.diy CSRF in Availability API and OAuth Callbacks](https://junglewise.ai/threats/cve-2026-9303-cal-com-cal-diy-csrf-in-availability-api-and-oauth-callbacks) (medium, CVSS 4.3, published 23 May 2026) ## Most severe Cal.com vulnerabilities - [CVE-2025-71389: Cal.com remote code execution via Next.js RSC deserialization](https://junglewise.ai/threats/cve-2025-71389-cal-com-remote-code-execution-via-next-js-rsc-deserialization) (critical, CVSS 10, published 23 Jul 2026) - [CVE-2024-58354: Calcom cal.diy repository takeover via GitHub Actions pull_request_target](https://junglewise.ai/threats/cve-2024-58354-calcom-cal-diy-repository-takeover-via-github-actions-pull) (critical, CVSS 9.9, published 23 Jul 2026) - [CVE-2024-58355: Cal.com stored XSS in booking question labels](https://junglewise.ai/threats/cve-2024-58355-cal-com-stored-xss-in-booking-question-labels) (high, CVSS 8.9, published 23 Jul 2026) - [CVE-2024-58353: Cal.com cal.diy stored XSS in booking question labels](https://junglewise.ai/threats/cve-2024-58353-cal-com-cal-diy-stored-xss-in-booking-question-labels) (high, CVSS 8.9, published 23 Jul 2026) - [CVE-2026-112043: Cal.com authorization bypass in webhook handler](https://junglewise.ai/threats/cve-2026-112043-a-weakness-has-been-identified-in-calcom-cal-com-and-cal-diy-up) (medium, CVSS 6.3, published 19 Oct 2026) - [CVE-2026-109143: Cal.com credentials delete cross-team privilege escalation](https://junglewise.ai/threats/cve-2026-109143-a-vulnerability-was-determined-in-calcom-cal-com-and-cal-diy-up) (medium, CVSS 5.4, published 13 Oct 2026) - [CVE-2026-9349: Cal.com cal.diy information disclosure in getServerSideProps](https://junglewise.ai/threats/cve-2026-9349-cal-com-cal-diy-information-disclosure-in-getserversideprops) (medium, CVSS 5.3, published 24 May 2026) - [CVE-2026-9304: Calcom cal.diy SSRF via HTTP Redirect in Logo API](https://junglewise.ai/threats/cve-2026-9304-calcom-cal-diy-ssrf-via-http-redirect-in-logo-api) (medium, CVSS 5, published 23 May 2026) - [CVE-2026-9303: Cal.com cal.diy CSRF in Availability API and OAuth Callbacks](https://junglewise.ai/threats/cve-2026-9303-cal-com-cal-diy-csrf-in-availability-api-and-oauth-callbacks) (medium, CVSS 4.3, published 23 May 2026) - [CVE-2026-63768: calcom cal.diy open redirect in conferencing OAuth callback](https://junglewise.ai/threats/cve-2026-63768-calcom-cal-diy-open-redirect-in-conferencing-oauth-callback) (medium, CVSS 4.3, published 20 Jul 2026) ## Vulnerabilities per week 2 vulnerabilities in the last four weeks, up from none in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 1 | 0 | 0 | | 19 Oct 2026 | 1 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Cal.com technologies - [Cal.com Cal.diy](https://junglewise.ai/threats/technologies/cal-diy): 8 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Cal.com vulnerabilities", https://junglewise.ai/threats/technologies/cal-com, 13 November 2026.