CVE-2026-3020

CVE-2026-3020 is a high-severity vulnerability with a CVSS 4.0 base score of 8.6. 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

Identity based authorization bypass vulnerability (IDOR) that allows an attacker to modify the data of a legitimate user account, such as changing the victim's email address, validating the new email address, and requesting a new password. This could allow them to take complete control of other users' legitimate accounts

Frequently asked questions

What is CVE-2026-3020?
Identity based authorization bypass vulnerability (IDOR) that allows an attacker to modify the data of a legitimate user account, such as changing the victim's email address, validating the new email address, and requesting a new password. This could allow them to take complete control of other users' legitimate accounts
How severe is CVE-2026-3020?
CVE-2026-3020 has a CVSS 4.0 base score of 8.6, rated high severity.
Is CVE-2026-3020 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-3020?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-3020 have an EU (EUVD) identifier?
Yes. CVE-2026-3020 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12389.
When was CVE-2026-3020 published?
CVE-2026-3020 was published on 2026-03-16 and last updated on 2026-06-17.

References

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

Browse all CWE-639 (Authorization Bypass Through User-Controlled Key (IDOR)) vulnerabilities →