How severe is CVE-2025-46826?

CVE-2025-46826 has a CVSS 4.0 base score of 1.3, rated low severity.

Is CVE-2025-46826 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-46826?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-46826 have an EU (EUVD) identifier?

Yes. CVE-2025-46826 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13947.

When was CVE-2025-46826 published?

CVE-2025-46826 was published on 2025-05-07 and last updated on 2026-06-17.

CVE-2025-46826

CVE-2025-46826 is a low-severity vulnerability with a CVSS 4.0 base score of 1.3. 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-601.

Key facts

Severity: Low (CVSS 4.0 base score 1.3)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-13947
Weakness: CWE-601
Published: 2025-05-07
Last modified: 2026-06-17

Description

insa-auth is an authentication server for INSA Rouen. A minor issue allowed third-party websites to access the server's secondary authentication bridge, potentially revealing basic student information (name and number). However, the issue posed minimal risk, was never exploited, and had limited impact. A fix was implemented promptly on May 3, 2025.

Frequently asked questions

What is CVE-2025-46826?: insa-auth is an authentication server for INSA Rouen. A minor issue allowed third-party websites to access the server's secondary authentication bridge, potentially revealing basic student information (name and number). However, the issue posed minimal risk, was never exploited, and had limited impact. A fix was implemented promptly on May 3, 2025.
How severe is CVE-2025-46826?: CVE-2025-46826 has a CVSS 4.0 base score of 1.3, rated low severity.
Is CVE-2025-46826 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-46826?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-46826 have an EU (EUVD) identifier?: Yes. CVE-2025-46826 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13947.
When was CVE-2025-46826 published?: CVE-2025-46826 was published on 2025-05-07 and last updated on 2026-06-17.

References

Other CWE-601 (Open Redirect) vulnerabilities

CVE-2018-3774 — Critical (CVSS 10.0): Incorrect parsing in url-parse <1.4.3 returns wrong hostname which leads to multiple vulnerabilities such as SSRF, Open…
CVE-2019-25282 — Critical (CVSS 9.8): V-SOL GPON/EPON OLT Platform v2.03 contains an open redirect vulnerability in the script that allows attackers to…
CVE-2020-36912 — Critical (CVSS 9.8): Plexus anblick Digital Signage Management 3.1.13 contains an open redirect vulnerability in the 'PantallaLogin' script…
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CVE-2025-55031 — Critical (CVSS 9.8): Malicious pages could use Firefox for iOS to pass FIDO: links to the OS and trigger the hybrid passkey transport. An…
CVE-2024-22891 — Critical (CVSS 9.8): Nteract v.0.28.0 was discovered to contain a remote code execution (RCE) vulnerability via the Markdown link.

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