What is CVE-2026-62355?

CVE-2026-62355 is a medium-severity vulnerability in Taosdata Tdengine, classified under Improper Privilege Management. CVSS score: 5.4/10. Published 2026-07-15.

How severe is CVE-2026-62355?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Privilege escalation in Taosdata Tdengine

CVE-2026-62355

TDengine is an open source, time-series database optimized for Internet of Things devices. Prior to 3.4.1.15, a Data Reader admin_user on a TDengine Cloud DB instance could run create udf even though standard users should have read-only pe…

Vulnerability class: Privilege Escalation

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

Taosdata Tdengine — versions < 3.4.1.15

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-62355?: CVE-2026-62355 is a medium-severity vulnerability in Taosdata Tdengine, classified under Improper Privilege Management. CVSS score: 5.4/10. Published 2026-07-15.
How severe is CVE-2026-62355?: Medium severity. CVSS v3 base score is 5.4 out of 10.