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TI-2019-08442 Aliases CVE-2019-11284GHSA-j52r-xc68-q8f4

Reactor Netty authentication leak in redirects

Priority LOW 39CWE-522Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-522.

Summary

Pivotal Reactor Netty, versions prior to 0.8.11, passes headers through redirects, including authorization ones. A remote unauthenticated malicious user may gain access to credentials for a different server than they have access to.

Why it matters now

EPSS 0.00902 59th percentileScored 2026-11-07
Fix Fixed Reactor Netty (Pivotal): v0.8.11.RELEASEio.projectreactor.netty:reactor-netty (Maven): 0.8.11

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
PivotalReactor Nettybefore v0.8.11.RELEASEv0.8.11.RELEASEPatch availableCNA
—io.projectreactor.netty:reactor-netty (Maven)before 0.8.110.8.11Patch availableGHSA-j52r-xc68-q8f4
  • Reactor Netty VendorPivotal Affected before v0.8.11.RELEASE Fixed in v0.8.11.RELEASE Patch available CNA
  • io.projectreactor.netty:reactor-netty (Maven) Vendor— Affected before 0.8.11 Fixed in 0.8.11 Patch available GHSA-j52r-xc68-q8f4

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:broadcom:reactor_netty:*:*:*:*:*:*:*:*0.8.0 to before 0.8.11VulnerableBroadcom
  • cpe:2.3:a:broadcom:reactor_netty:*:*:*:*:*:*:*:* Versions 0.8.0 to before 0.8.11 Vulnerable ·Broadcom

Remediation

  • Fix · CNA Reactor Netty (Pivotal) Fixed in v0.8.11.RELEASE
  • Fix · GHSA-j52r-xc68-q8f4 io.projectreactor.netty:reactor-netty (Maven) Fixed in 0.8.11 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-11284
  2. 2026-10-03 Alias added: GHSA-j52r-xc68-q8f4

References

Advisory 2

  • TI-2017-05637 Improper input validation in Pivotal Spring Data REST and Spring Boot CVSS 3.0CRITICAL 9.8
  • TI-2016-04299 When processing authorization requests using the whitelabel views in Spring Security… CVSS 3.0HIGH 8.8
  • TI-2018-01165 Code injection in Pivotal Spring Security OAuth CVSS 3.0CRITICAL 9.8
  • TI-2018-11237 DoS Attack via Range Requests CVSS 3.1HIGH 7.5
  • TI-2019-02791 Apps Manager unverified SSL certs in Cloud Controller proxy CVSS 3.0CRITICAL 9.8
  • TI-2018-11239 On Demand Services SDK Timing Attack Vulnerability CVSS 3.0CRITICAL 9.8
See all 85 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences