Is CVE-2026-5248 in the CISA KEV catalog?

No. CVE-2026-5248 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-5248?

CVE-2026-5248 has a CVSS v3 base score of 6.3 (MEDIUM).

What is the EPSS score for CVE-2026-5248?

CVE-2026-5248 has an EPSS score of 0.24% (15th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-5248?

No published fix for CVE-2026-5248 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-5248

MEDIUM

6.3

CVSS v3

NVD

Description

A vulnerability has been found in gougucms 4.08.18. This affects the function reg_submit of the file gougucms-master\app\home\controller\Login.php of the component User Registration Handler. Such manipulation of the argument level leads to dynamically-determined object attributes. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CWE-913 CWE-915

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.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Exploit Intelligence

0.24%probability of exploitation in 30 days

15thpercentile

Low risk: more likely to be exploited than 15% of all known CVEs.

References

Other references4

Related Vulnerabilities

Other CWE-913 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-68613	Critical	9.9	98%	KEV	Fix
CVE-2023-50386	High	8.8	84%	-	Fix
CVE-2023-43177	Critical	9.8	82%	-	Fix
CVE-2023-29017	Critical	10.0	63%	-	Fix
CVE-2022-36067	Critical	10.0	48%	-	Fix
CVE-2023-6184	Medium	5.0	47%	-	-

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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 2026-04-29.