CVE-2026-15907

HIGHPre-NVD 7.37.3—
EchelonGraph scoreHIGH confidence

Score 7.3 from GitHub Security Advisory published 2026-07-16. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.3Exploit: Elevated riskExposed: 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(high)
EG Risk
64(Attend)
EG Risk 64/100SSVC: Attend

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
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
17%
KEV
Not listed

Published

July 15, 2026

Last Modified

July 16, 2026

References (5)

Vendor Advisories for CVE-2026-15907(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 15× in last 7d / 27× 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. 2026-07-27 22:53 UTCEG score recompute
  2. 2026-07-27 22:53 UTCGHSA enrichment
  3. 2026-07-27 14:13 UTCEPSS rescore
  4. 2026-07-27 10:49 UTCGHSA enrichment
  5. 2026-07-26 23:08 UTCEG score recompute
  6. 2026-07-26 23:08 UTCGHSA enrichment
  7. 2026-07-26 14:54 UTCEPSS rescore
  8. 2026-07-26 14:54 UTCEPSS rescore
  9. 2026-07-26 11:28 UTCEG score recompute
  10. 2026-07-26 11:28 UTCGHSA enrichment
  11. 2026-07-24 14:17 UTCEPSS rescore
  12. 2026-07-23 14:18 UTCEPSS rescore
  13. 2026-07-23 03:05 UTCEG score recompute
  14. 2026-07-22 14:08 UTCEPSS rescore
  15. 2026-07-21 15:24 UTCEPSS rescore
  16. 2026-07-20 17:08 UTCEPSS rescore
  17. 2026-07-19 14:30 UTCEPSS rescore
  18. 2026-07-19 02:28 UTCEPSS rescore
  19. 2026-07-18 10:04 UTCEPSS rescore
  20. 2026-07-16 23:25 UTCGHSA enrichment
  21. 2026-07-16 17:02 UTCEPSS rescore
  22. 2026-07-16 16:30 UTCNVD updateCVSS v4 → 5.5
  23. 2026-07-16 15:23 UTCMITRE cvelistV5CVSS v4 → 6.9
  24. 2026-07-16 11:45 UTCGHSA enrichment
  25. 2026-07-16 00:25 UTCNVD updateCVSS v4 → 5.5
Show 2 more
  1. 2026-07-16 00:05 UTCEG score recompute
  2. 2026-07-16 00:04 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

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.
Is CVE-2026-15907 actively exploited?
CVE-2026-15907 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 83.1% of all scored CVEs.
What is the CVSS score of CVE-2026-15907?
CVE-2026-15907 has a CVSS v3 base score of 7.3 (NVD).
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

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