CVE-2026-16270

MEDIUMPre-NVD 6.96.9
EchelonGraph scoreLOW confidence

This medium-severity CVE scores 6.9 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: secondary
Trending — 4 sources updated this week
6.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.9Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
6.9
EG Score
6.9(low)
EG Risk
31(Track)
EG Risk 31/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity69% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
38.8%
KEV
Not listed

Published

July 22, 2026

Last Modified

July 22, 2026

Advisory Details (3)

Auto-updated Jul 22, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
generic

Open Mercato — AI CRM/ERP Framework | Start with 80% Done

https://www.openmercato.com/
github_pr

security(shared): harden custom field regex validation

Fix merged in open-mercato/open-mercato PR #1996 on 2026-05-21 — awaiting tagged release

https://github.com/open-mercato/open-mercato/pull/1996
generic

Podatność w oprogramowaniu Open Mercato | CERT Polska

https://cert.pl/posts/2026/07/CVE-2026-16270

Vendor Advisories for CVE-2026-16270(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 14:18 UTCEPSS rescore
  2. 2026-07-23 03:05 UTCEG score recompute
  3. 2026-07-22 22:05 UTCEG score recompute
  4. 2026-07-22 22:04 UTCGHSA enrichment
  5. 2026-07-22 19:12 UTCEG score recompute
  6. 2026-07-22 19:11 UTCGHSA enrichment
  7. 2026-07-22 13:35 UTCEG score recompute
  8. 2026-07-22 12:48 UTCEG score recompute
  9. 2026-07-22 12:47 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-16270?
CVE-2026-16270 is a medium vulnerability published on July 22, 2026. 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.
When was CVE-2026-16270 disclosed?
CVE-2026-16270 was first published in the National Vulnerability Database on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16270 actively exploited?
CVE-2026-16270 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 38.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-16270?
CVE-2026-16270 has a CVSS v3 base score of 6.9 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..
How do I remediate CVE-2026-16270?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16270, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-16270

Explore →

Is Your Infrastructure Affected by CVE-2026-16270?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs