CVE-2026-16270 | Open Mercato does not validate regex rules. An attacker with… | CVSS 6.9 MEDIUM

Description

Open Mercato does not validate regex rules. An attacker with privileges to create the regex rule can add an unsafe regex to a field. When someone provide the proper string it can result in a DoS attack. This issue was fixed in version 0.6.4.

Metadata

CVE ID: CVE-2026-16270
State: PUBLISHED
Assigner: CERT-PL
Reserved: 2026-07-20 09:17 UTC
Published: 2026-07-22 12:37 UTC
Last updated: 2026-07-22 12:37 UTC
Primary CWE: CWE-1333
CWE-1333 Inefficient regular expression complexity
Vendor / Product: Open Mercato / Open Mercato
Sources: cve.org · NVD

Severity & Metrics

6.9 MEDIUM CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected products (1)

Vendor	Product	Platform	Versions
Open Mercato	Open Mercato	—	0 < 0.6.4

Weakness (CWE)

CWE	Source	Description
CWE-1333	cna	CWE-1333 Inefficient regular expression complexity

CVSS scores (1)

Score	Severity	Version	Source	Vector
6.9	MEDIUM	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

References (3)