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MEDIUM · 5.9

CVE-2026-40991

When using spring-restdocs-webtestclient or spring-restdocs-restassured to document a remote API accessed over HTTP, an attacker who compromises the API or tricks the user into documenting a malicious...

Vulnerability Description

When using spring-restdocs-webtestclient or spring-restdocs-restassured to document a remote API accessed over HTTP, an attacker who compromises the API or tricks the user into documenting a malicious API can perform an XXE injection attack when the documentation-generating tests are next executed. Affected versions: Spring REST Docs 4.0.0; 3.0.0 through 3.0.5; 2.0.0.RELEASE through 2.0.8.RELEASE.

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
LOW

Affected Products

VendorProductVersions
BroadcomSpring Rest Docs>= 2.0.0, < 2.0.9

Related Weaknesses (CWE)

CWE-611

References

FAQ

What is CVE-2026-40991?

CVE-2026-40991 is a vulnerability with a CVSS score of 5.9 (MEDIUM). When using spring-restdocs-webtestclient or spring-restdocs-restassured to document a remote API accessed over HTTP, an attacker who compromises the API or tricks the user into documenting a malicious...

How severe is CVE-2026-40991?

CVE-2026-40991 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-40991?

Check the references section above for vendor advisories and patch information. Affected products include: Broadcom Spring Rest Docs.