How severe is CVE-2026-45432?

CVE-2026-45432 has a CVSS 4.0 base score of 8.7, rated high severity.

Is CVE-2026-45432 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-45432?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-45432 have an EU (EUVD) identifier?

Yes. CVE-2026-45432 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34250.

When was CVE-2026-45432 published?

CVE-2026-45432 was published on 2026-06-04 and last updated on 2026-06-17.

CVE-2026-45432

CVE-2026-45432 is a high-severity vulnerability with a CVSS 4.0 base score of 8.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-319.

Key facts

Severity: High (CVSS 4.0 base score 8.7)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34250
Weakness: CWE-319
Published: 2026-06-04
Last modified: 2026-06-17

Description

This vulnerability exists in GX Earth ONT models due to the transmission of user credentials in plaintext over HTTP in its web management interface. A remote attacker could exploit this vulnerability by intercepting network traffic to obtain sensitive authentication information, which could lead to unauthorized access to the targeted device.

Frequently asked questions

What is CVE-2026-45432?: This vulnerability exists in GX Earth ONT models due to the transmission of user credentials in plaintext over HTTP in its web management interface. A remote attacker could exploit this vulnerability by intercepting network traffic to obtain sensitive authentication information, which could lead to unauthorized access to the targeted device.
How severe is CVE-2026-45432?: CVE-2026-45432 has a CVSS 4.0 base score of 8.7, rated high severity.
Is CVE-2026-45432 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-45432?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-45432 have an EU (EUVD) identifier?: Yes. CVE-2026-45432 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34250.
When was CVE-2026-45432 published?: CVE-2026-45432 was published on 2026-06-04 and last updated on 2026-06-17.

References

https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2026-0288

Other CWE-319 (Cleartext Transmission of Sensitive Information) vulnerabilities

CVE-2025-4378 — Critical (CVSS 10.0): Cleartext Transmission of Sensitive Information, Use of Hard-coded Credentials vulnerability in Ataturk University…
CVE-2025-47419 — Critical (CVSS 10.0): Cleartext Transmission of Sensitive Information vulnerability in Crestron Automate VX allows Sniffing Network…
CVE-2026-48902 — Critical (CVSS 9.8): The password and username reset features created plain http links for https connections if the "Force SSL" flag wasn't…
CVE-2025-34271 — Critical (CVSS 9.8): Nagios Log Server versions prior to 2024R2.0.2 contain a vulnerability in the cluster manager component when…
CVE-2025-32880 — Critical (CVSS 9.8): An issue was discovered on COROS PACE 3 devices through 3.0808.0. It implements a function to connect the watch to a…
CVE-2025-26199 — Critical (CVSS 9.8): CloudClassroom-PHP-Project v1.0 is affected by an insecure credential transmission vulnerability. The application…

Browse all CWE-319 (Cleartext Transmission of Sensitive Information) vulnerabilities →