CVE-2026-34475
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 l…
Published Mar 27, 2026 · updated Jun 17, 2026 · varnish-software varnish enterprise
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 cache poisoning or authentication bypass.
Code
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No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 27, 2026 · NIST NVD
Detected
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 cache poisoning or authentication bypass.
Jun 17, 2026 · NIST NVD
Updated
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 cache poisoning or authentication bypass.
Affected
- cpe varnish-software/varnish enterpriseversion unspecified
- cpe varnish-software/varnish enterprise6.0.16
- cpe vinyl-cache/vinyl cacheversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-34475
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-34475
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 cache poisoning or authentication bypass.
nvd.nist.gov