What is CVE-2026-72574?

CVE-2026-72574 is a medium-severity vulnerability in Picocms Pico, classified under Improper Neutralization of HTTP Headers for Scripting Syntax. CVSS score: 6.1/10. Published 2026-08-10.

How severe is CVE-2026-72574?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Picocms Pico

CVE-2026-72574

A host header injection vulnerability in picocms/Pico through 2.1.4 allows an unauthenticated remote attacker to control the origin of JavaScript and CSS assets loaded by the default theme. When base_url is unset (the default), Pico::getBa…

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Picocms Pico — versions 0

Weakness classification (CWE)

CWE-644 — Improper Neutralization of HTTP Headers for Scripting Syntax

References

309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (third-party-advisory)
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (third-party-advisory)
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (technical-description)

Frequently asked questions

What is CVE-2026-72574?: CVE-2026-72574 is a medium-severity vulnerability in Picocms Pico, classified under Improper Neutralization of HTTP Headers for Scripting Syntax. CVSS score: 6.1/10. Published 2026-08-10.
How severe is CVE-2026-72574?: Medium severity. CVSS v3 base score is 6.1 out of 10.