Is CVE-2025-6669 in the CISA KEV catalog?

No. CVE-2025-6669 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-6669?

CVE-2025-6669 has a CVSS v3 base score of 3.7 (LOW).

What is the EPSS score for CVE-2025-6669?

CVE-2025-6669 has an EPSS score of 0.35% (27th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-6669?

No published fix for CVE-2025-6669 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-6669

LOW

3.7

CVSS v3

NVD

Description

A vulnerability was found in gooaclok819 sublinkX up to 1.8. It has been declared as problematic. This vulnerability affects unknown code of the file middlewares/jwt.go. The manipulation with the input sublink leads to use of hard-coded cryptographic key . The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 1.9 is able to address this issue. The patch is identified as 778d26aef723daa58df98c8060c43f5bf5d1b10b. It is recommended to upgrade the affected component.

CWE-320 CWE-321

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 v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.35%probability of exploitation in 30 days

27thpercentile

Low risk: more likely to be exploited than 27% of all known CVEs.

References

Other references7

Embed a live status badge for CVE-2025-6669

Markdown

[![CVE-2025-6669](https://tridentstack.com/cve/badge/CVE-2025-6669.svg)](https://tridentstack.com/cve/CVE-2025-6669)

HTML

<a href="https://tridentstack.com/cve/CVE-2025-6669"><img src="https://tridentstack.com/cve/badge/CVE-2025-6669.svg" alt="CVE-2025-6669"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.