How severe is CVE-2026-40995?

CVE-2026-40995 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-40995 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-40995?

CVE-2026-40995 affects Broadcom Spring Web Services. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-40995?

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

Does CVE-2026-40995 have an EU (EUVD) identifier?

Yes. CVE-2026-40995 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36205.

When was CVE-2026-40995 published?

CVE-2026-40995 was published on 2026-06-11 and last updated on 2026-09-04.

CVE-2026-40995

CVE-2026-40995 is a medium-severity vulnerability in Broadcom Spring Web Services with a CVSS 3.x base score of 5.4. 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36205
Weakness: CWE-287
Affected product: Broadcom Spring Web Services
Published: 2026-06-11
Last modified: 2026-09-04

Description

X509AuthenticationProvider could issue a fully authenticated X509AuthenticationToken when a presented certificate mapped to UserDetails, without applying Spring Security's standard account lifecycle checks (disabled, locked, expired, or credentials-expired accounts). Affected versions: Spring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.

Frequently asked questions

What is CVE-2026-40995?: X509AuthenticationProvider could issue a fully authenticated X509AuthenticationToken when a presented certificate mapped to UserDetails, without applying Spring Security's standard account lifecycle checks (disabled, locked, expired, or credentials-expired accounts). Affected versions: Spring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.
How severe is CVE-2026-40995?: CVE-2026-40995 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-40995 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-40995?: CVE-2026-40995 affects Broadcom Spring Web Services. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-40995?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40995 have an EU (EUVD) identifier?: Yes. CVE-2026-40995 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36205.
When was CVE-2026-40995 published?: CVE-2026-40995 was published on 2026-06-11 and last updated on 2026-09-04.

References

https://spring.io/security/cve-2026-40995

Affected products (1)

cpe:2.3:a:broadcom:spring_web_services:*:*:*:*:*:*:*:*

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