Skip to content
Weekly Signal
Live intelligence Updated 21 Aug 2026 · 22:12 UTC

Broadcom · Spring Rest Docs

CVE-2026-40991

When using spring-restdocs-webtestclient or spring-restdocs-restassured to document a remote API accessed over HTTP, an attacker who compromises th...

Recommended action

Handle this through the normal risk-based patching cycle while monitoring for change. Vendor advisory from spring.io

View response plan
CVSS5.9
EPSS0.2%
KEVNo
ExploitationNone
RemediationNot yet verified

Assessment

Why it matters

EPSS is 0.2%; technical severity is CVSS 5.9.

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.

Who should care

  • Teams operating Spring Rest Docs
  • Vulnerability and exposure management teams
  • Security operations teams monitoring exploitation activity

Response plan

What I would do

  1. Confirm whether Spring Rest Docs is present in the environment.
  2. Identify affected versions and establish whether vulnerable services are exposed or reachable.
  3. Vendor advisory from spring.io
  4. Review relevant security telemetry for evidence of attempted or successful exploitation.
  5. Document the remediation decision and track it to verified completion.

Treatment intelligence

Remediation intelligence

Not yet verified

Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.

Verification noteAutomated link verification has not completed for this guidance yet.

Technical details

CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L
CWE
CWE-611
Affected versions
Broadcom Spring Rest Docs (Start Including 2.0.0, End Excluding 2.0.9 | Start Including 3.0.0, End Excluding 3.0.5.1 | Version 4.0.0)
Fixed versions
Broadcom Spring Rest Docs (Fixed from 2.0.9, 3.0.5.1)
Published
9 June 2026
Attack vector
Network
Privileges required
None
User interaction
Required

Signal timeline

  1. CVE published
  2. Latest EPSS score: 0.2%
  3. Signal calculated at 10

External references

Live public intelligence This assessment combines public-source evidence. Validate the affected product, version and exposure against your own environment before making a risk decision.