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TI-2018-08193 Aliases CVE-2018-11469GHSA-2m5p-jq2g-4fw5

Incorrect caching of responses to requests including an Authorization header in HAProxy…

Priority LOW 32CWE-200Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-200.

Summary

Incorrect caching of responses to requests including an Authorization header in HAProxy 1.8.0 through 1.8.9 (if cache enabled) allows attackers to achieve information disclosure via an unauthenticated remote request, related to the proto_http.c check_request_for_cacheability function.

Why it matters now

EPSS 0.0286 86th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:*1.8.0 – 1.8.9VulnerableHAProxy
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
  • cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* Versions 1.8.0 – 1.8.9 Vulnerable ·HAProxy
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical

Remediation

Red Hat 1 advisory

  • RHSA-2019:1436 Released 2019-06-11 · Red Hat rating Moderate
    rh-haproxy18-haproxy security, bug fix, and enhancement update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-haproxy18-haproxy-1.8.17-1.el7, rh-haproxy18-haproxy-syspaths-1.8.17-1.el7
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-haproxy18-haproxy-1.8.17-1.el7, rh-haproxy18-haproxy-syspaths-1.8.17-1.el7
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-haproxy18-haproxy-1.8.17-1.el7, rh-haproxy18-haproxy-syspaths-1.8.17-1.el7
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-haproxy18-haproxy-1.8.17-1.el7, rh-haproxy18-haproxy-syspaths-1.8.17-1.el7
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-haproxy18-haproxy-1.8.17-1.el7, rh-haproxy18-haproxy-syspaths-1.8.17-1.el7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:1436
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)Fixed RHSA-2019:1436
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5)Fixed RHSA-2019:1436
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6)Fixed RHSA-2019:1436
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:1436
Not affected: 4 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat OpenShift Enterprise 3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-11469
  2. 2026-10-03 Alias added: GHSA-2m5p-jq2g-4fw5

References

Sources