CVE-2026-40996

mediumpriority · track · 0OT risk · elevatedEPSS 0.001 · 3 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.13% (3rd) EPSS

CVSS 4.8 · medium

Is it mine?

12 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

Wss4jSecurityInterceptor defaulted allowRSA15KeyTransportAlgorithm to true, overriding Apache WSS4J's safer default for validation RequestData. Inbound WS-Security decryption could therefore accept RSA PKCS#1 v1.5 (rsa-1_5) encrypted key material unless operators explicitly reconfigured the flag. 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.

cvss

Technical severity, 0–10. One row per scoring source.

4.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.8mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.14.8mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · security@vmware.comexploitability 2.2 · impact 2.5

v3.14.8mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · OSV

v3.14.4mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-327USCWE-327US

affected products (12)

Products and version ranges known to be affected.

Spring Spring Web Services3.1.0 → 3.1.9enisa_euvdEU
Spring Spring Web Services4.0.0 → 4.0.19enisa_euvdEU
Spring Spring Web Services4.1.0 → 4.1.3.1enisa_euvdEU
Spring Spring Web Services5.0.0 → 5.0.1.1enisa_euvdEU
broadcom spring web services< 3.1.9nvdUScpe:2.3:a:broadcom:spring_web_services:*:*:*:*:*:*:*:*
broadcom spring web services4.0.0 → 4.0.19nvdUScpe:2.3:a:broadcom:spring_web_services:*:*:*:*:*:*:*:*
broadcom spring web services4.1.0 → 4.1.3.1nvdUScpe:2.3:a:broadcom:spring_web_services:*:*:*:*:*:*:*:*
broadcom spring web services5.0.0 → 5.0.1.1nvdUScpe:2.3:a:broadcom:spring_web_services:*:*:*:*:*:*:*:*
Maven org.springframework.ws:spring-ws-security3.1.0 → 3.1.8osvUSpkg:maven/org.springframework.ws/spring-ws-security
Maven org.springframework.ws:spring-ws-security4.0.0 → 4.0.18osvUSpkg:maven/org.springframework.ws/spring-ws-security
Maven org.springframework.ws:spring-ws-security4.1.0 → 4.1.4osvUSpkg:maven/org.springframework.ws/spring-ws-security
Maven org.springframework.ws:spring-ws-security5.0.0 → 5.0.2osvUSpkg:maven/org.springframework.ws/spring-ws-security

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-p7qj-2q5w-f9r7Spring Web Services: Inbound WS-Security allows RSA PKCS#1 v1.5 key transport by default2026-06-11ghsa · osvUS
Wss4jSecurityInterceptor defaulted allowRSA15KeyTransportAlgorithm to true, overriding Apache WSS4J's safer default for validation RequestData. Inbound WS-Security decryption could therefore accept RSA PKCS#1 v1.5 (rsa-1_5) encrypted key material unless operators explicitly reconfigured the flag. 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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2026-06-11modified 2026-09-04

references (4)

External citations — patches, advisories, analysis.

https://nvd.nist.gov/vuln/detail/CVE-2026-40996 cnnvd
https://spring.io/security/cve-2026-40996Patchcnnvd
https://spring.io/security/cve-2026-40996 enisa_euvd
https://spring.io/security/cve-2026-40996Vendor AdvisoryMitigationnvd

scry

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