CVE-2026-16270 (GCVE-0-2026-16270)
Vulnerability from cvelistv5 – Published: 2026-07-22 12:37 – Updated: 2026-07-22 18:55 X_Open Source
VLAI
EPSS
VEX
Title
ReDoS in Open Mercato
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-22 18:55 UTC
CWE
- CWE-1333 - Inefficient regular expression complexity
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://cert.pl/posts/2026/07/CVE-2026-16270 | third-party-advisory |
| https://www.openmercato.com/ | product |
| https://github.com/open-mercato/open-mercato/pull/1996 | patch |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Open Mercato | Open Mercato |
Affected:
0 , < 0.6.4
(semver)
|
guessed |
Date Public
2026-07-22 12:32
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