An issue was discovered in Varnish Cache 7.x before 7.1.2 and 7.2.x before 7.2.1.
Priority MEDIUM 42CWE-444Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
An issue was discovered in Varnish Cache 7.x before 7.1.2 and 7.2.x before 7.2.1. A request smuggling attack can be performed on Varnish Cache servers by requesting that certain headers are made hop-by-hop, preventing the Varnish Cache servers from forwarding critical headers to the backend.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01816 78th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:* | 7.0.0 to before 7.1.2 | Vulnerable | Varnish Cache Project |
| cpe:2.3:a:varnish_cache_project:varnish_cache:7.2.0:*:*:*:*:*:*:* | 7.2.0 | Vulnerable | Varnish Cache Project |
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 35 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | 36 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* | 37 | Vulnerable | Fedoraproject |
- cpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:* Versions 7.0.0 to before 7.1.2 Vulnerable ·Varnish Cache Project
- cpe:2.3:a:varnish_cache_project:varnish_cache:7.2.0:*:*:*:*:*:*:* Versions 7.2.0 Vulnerable ·Varnish Cache Project
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Software Collections
Timeline
- 2026-10-02 Threatist record created from CVE-2022-45059
- 2026-10-03 Alias added: GHSA-p22x-6r5h-g873
References
Sources
- CVE-2022-45059 · CVE Program
- CVE-2022-45059 · NVD
- FIRST EPSS
- GHSA-p22x-6r5h-g873 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-45059 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences