What is CVE-2026-15907?

CVE-2026-15907 is a high-severity vulnerability in H3c Secpath F1000-C8300, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-07-16.

How severe is CVE-2026-15907?

High severity. CVSS v3 base score is 7.3 out of 10.

SQL Injection in H3c Secpath F1000-C8300

CVE-2026-15907

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.

EPSS: 0.004 (34.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

H3c Secpath F1000-c8300 — versions 20260522

Weakness classification (CWE)

References

cna@vuldb.com (exploit)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)

Frequently asked questions

What is CVE-2026-15907?: CVE-2026-15907 is a high-severity vulnerability in H3c Secpath F1000-C8300, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-07-16.
How severe is CVE-2026-15907?: High severity. CVSS v3 base score is 7.3 out of 10.