CVE-2026-19745

MEDIUM 4.3

Calix GigaSpire Web Management utilities_configurationsave.cgi denial of service

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

A flaw has been found in Calix GigaSpire 26.1.0. Impacted is an unknown function of the file utilities_configurationsave.cgi of the component Web Management Interface. Executing a manipulation of the argument sessionKey can lead to denial of service. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CWE	CWE-404
Vendor	calix
Product	gigaspire
Published	Aug 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Calix / GigaSpire

26.1.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/389483 vuldb.com: https://vuldb.com/vuln/389483/cti vuldb.com: https://vuldb.com/cve/CVE-2026-19745 vuldb.com: https://vuldb.com/submit/868298

Credits

VulDB CNA Team