Medium severity · published Jul 8, 2026
CVE-2026-5923
Poly Voice – Potential Unauthorized Modification of WebUI using CSRF Attack
6.0
CVSS
0.2%
EPSS
No
On KEV
Description
Malicious use of a stolen cookie might allow modifications to the contents of the IP phone’s webpage.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PC
Poly CCX · HP Inc.
before 9.50 · source: vendor
PE
Poly Edge E · HP Inc.
before 8.6.0 · source: vendor
PT
Poly Trio C60 · HP Inc.
before 9.5.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5923
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5923
support.hp.com
https://support.hp.com/us-en/document/ish_15255241-15255270-16/hpsbpy04109
More from Poly CCX
5.9
CVE-2026-5922
Poly Voice – Potential Unauthorized Modification of WebUI using XSS Attack