CVE-2025-68979

CVE-2025-68979 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Description

Authorization Bypass Through User-Controlled Key vulnerability in SimpleCalendar Google Calendar Events google-calendar-events allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Google Calendar Events: from n/a through <= 3.5.9.

Frequently asked questions

What is CVE-2025-68979?
Authorization Bypass Through User-Controlled Key vulnerability in SimpleCalendar Google Calendar Events google-calendar-events allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Google Calendar Events: from n/a through <= 3.5.9.
How severe is CVE-2025-68979?
CVE-2025-68979 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-68979 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-68979?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-68979 have an EU (EUVD) identifier?
Yes. CVE-2025-68979 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205756.
When was CVE-2025-68979 published?
CVE-2025-68979 was published on 2025-12-30 and last updated on 2026-06-17.

References

Other CWE-639 (Authorization Bypass Through User-Controlled Key (IDOR)) vulnerabilities

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