What is CVE-2026-59955?

CVE-2026-59955 is a high-severity vulnerability in Apolloconfig Apollo, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-07-15.

How severe is CVE-2026-59955?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Apolloconfig Apollo

CVE-2026-59955

Apollo is a reliable configuration management system suitable for microservice configuration management scenarios. Prior to 2.5.2, Apollo ConfigService may allow unauthorized access to raw configuration data when AccessKey or management ke…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Apolloconfig Apollo — versions < 2.5.2

Weakness classification (CWE)

CWE-20 — Improper Input Validation
CWE-287 — Improper Authentication

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-59955?: CVE-2026-59955 is a high-severity vulnerability in Apolloconfig Apollo, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-07-15.
How severe is CVE-2026-59955?: High severity. CVSS v3 base score is 7.5 out of 10.