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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2019:1436 Released 2019-06-11 · Red Hat rating Moderaterh-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 →
| Product | Status | Plan 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
- 2026-10-02 Threatist record created from CVE-2018-11469
- 2026-10-03 Alias added: GHSA-2m5p-jq2g-4fw5
References
Sources
- CVE-2018-11469 · CVE Program
- CVE-2018-11469 · NVD
- FIRST EPSS
- GHSA-2m5p-jq2g-4fw5 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-11469 · Red Hat security data · CC BY 4.0
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