Varnish Enterprise
Vendor:
First CVE: Aug 23, 2023 · Active for 2 years
6
Total CVEs
More Total CVEs than 83% of tracked products
2.0
Avg CVEs / Year
Higher CVE frequency than 63% of tracked products
7.3
Avg CVSS
Higher Avg CVSS than 49% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Varnish Enterprise over time
Volume of CVEsAvg CVSS Base Score
First CVE
Aug 23, 2023
2 years ago
Most Recent CVE
Apr 12, 2026
107 days ago
CVE Severity & Scoring
Varnish Enterprise6 CVEs
33%
50%
17%
All CVEs353,173 CVEs
45%
40%
11%
MediumHighCritical
Attack Vector
Local0 (0.0%)
Network6 (100.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low5 (83.3%)
High1 (16.7%)
Unknown0 (0.0%)
User Interaction
None6 (100.0%)
Unknown0 (0.0%)
Required0 (0.0%)
Privileges Required
Low0 (0.0%)
High0 (0.0%)
None6 (100.0%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (6 CVEs).
6 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-34475CRITICAL Varnish Cache before 8.0.1 and Varnish Enterprise before 6.0.16r12, in certain unchecked req.url scenarios, mishandle URLs with a path of / for HTTP/1.1, potentially leading to cac | Mar 27, 2026 | 9.8 | 35 | NO | NO |
CVE-2026-40395HIGH Varnish Enterprise before 6.0.16r12 allows a "workspace overflow" denial of service (daemon panic) for shared VCL. The headerplus.write_req0() function from vmod_headerplus updates | Apr 12, 2026 | 7.5 | 29 | NO | NO |
CVE-2026-40394HIGH Varnish Cache 9 before 9.0.1 and Varnish Enterprise before 6.0.16r11 allows a "workspace overflow" denial of service (daemon panic) for certain amounts of prefetched data. The setu | Apr 12, 2026 | 7.5 | 29 | NO | NO |
CVE-2025-30347HIGH Varnish Enterprise before 6.0.13r13 allows remote attackers to obtain sensitive information via an out-of-bounds read for range requests on ephemeral MSE4 stevedore objects. | Mar 21, 2025 | 7.5 | 20 | NO | NO |
CVE-2023-41104MEDIUM libvmod-digest before 1.0.3, as used in Varnish Enterprise 6.0.x before 6.0.11r5, has an out-of-bounds memory access during base64 decoding, leading to both authentication bypass a | Aug 23, 2023 | 6.5 | 20 | NO | NO |
CVE-2025-30346MEDIUM Varnish Cache before 7.6.2 and Varnish Enterprise before 6.0.13r10 allow client-side desync via HTTP/1 requests. | Mar 21, 2025 | 4.8 | 16 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (6 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (6 CVEs).
Media Mentions
Signals from CVEs in this product scope (6 CVEs).
Top CNAs Publishing CVEs For Varnish Enterprise
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 6.0.16 | 3 | 8.3 | 0.2% | 0 | 0 |
| 6.0.13 | 2 | 6.3 | 0.3% | 0 | 0 |
| 6.0.12 | 1 | 4.8 | 0.3% | 0 | 0 |
| 6.0.11 | 2 | 5.5 | 0.4% | 0 | 0 |