Is CVE-2026-10837 in the CISA KEV catalog?

No. CVE-2026-10837 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-10837?

CVE-2026-10837 has a CVSS v4 base score of 5.1 (MEDIUM).

What is the EPSS score for CVE-2026-10837?

CVE-2026-10837 has an EPSS score of 0.32% (23th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-10837?

No published fix for CVE-2026-10837 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-10837

MEDIUM

5.1

CVSS v4

NVD

Description

Open redirection vulnerability due to insufficient validation of the X-Forwarded-Host HTTP header. An attacker could create manipulated links that, when opened by a victim, cause the victim to be redirected to domains controlled by the attacker, enabling phishing or deception attacks with limited impact on confidentiality and integrity.

CWE-601Open Redirect

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v4 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

Impact

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit Intelligence

0.32%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Other references1

incibe.es

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-17.