CVE-2026-15907

HIGHPre-NVD 7.37.3
EchelonGraph scoreLOW confidence

This high-severity CVE scores 7.3 under the CNA's CVSS (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: cna:vuldb
Trending — 3 sources updated this week
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: CVSS: 7.3Exploit: NoneExposed: 0

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

A flaw has been found in H3C SecPath F1000-C8300 up to 20260522. This impacts an unknown function of the file /webui/?g=log_fw_nbc_mail_jsondata. Executing a manipulation of the argument subject can lead to sql injection. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure and confirmed the existence of the vulnerability. A technical fix is planned to be released.

CVSS v3
7.3
EG Score
7.3(low)
EPSS
KEV
Not listed

Published

July 15, 2026

Last Modified

July 16, 2026

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 3× in last 7d / 3× 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. 2026-07-16 00:25 UTCNVD updateCVSS v4 → 5.5
  2. 2026-07-16 00:05 UTCEG score recompute
  3. 2026-07-16 00:04 UTCMITRE cvelistV5first tracked

Frequently asked(4)

What is CVE-2026-15907?
CVE-2026-15907 is a high vulnerability published on July 15, 2026. A flaw has been found in H3C SecPath F1000-C8300 up to 20260522. This impacts an unknown function of the file /webui/?g=logfwnbcmailjsondata. Executing a manipulation of the argument subject can lead to sql injection. The attack can be executed remotely. The exploit has been published and may be…
When was CVE-2026-15907 disclosed?
CVE-2026-15907 was first published in the National Vulnerability Database on July 15, 2026, with the most recent update on July 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-15907?
CVE-2026-15907 has a CVSS v3 base score of 7.3 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..
How do I remediate CVE-2026-15907?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15907, 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-2026-15907

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