Maven/org.http4s:http4s-blaze-server_2.13 CVE-2026-73494: high 7.4, EPSS 0.63%

blaze: Multiple HTTP/1.1 request-smuggling primitives in blaze's Java wire parser

Action: Upgrade org.http4s:http4s-blaze-server_2.13 to 0.23.18 or later.

Affected

Fixed versions

Sources

• osv: GHSA-mhvj-jhpq-885v
• https://github.com/http4s/blaze/security/advisories/GHSA-mhvj-jhpq-885v
• https://github.com/http4s/blaze/commit/3f7c022e306631b006dcb43a1d7f65c0d1966f17
• https://github.com/http4s/blaze/commit/4eec2007806aa9acfefb00ebb636ddc39a147a96
• https://github.com/http4s/blaze/commit/927b67753a78c13c4445dac9307f511f5c4878c3
• https://github.com/http4s/blaze/commit/a54bc9cd31758335c7f24e29763622fd03fcf734
• https://github.com/http4s/blaze/commit/c47d9675f87603f11b32a11d503626bdf9be5c7a
• https://github.com/http4s/blaze/commit/e871ebb1d27f50c98fd56988526ce42d0fee74d6
• https://github.com/http4s/blaze
• https://github.com/http4s/blaze/releases/tag/v0.23.18
• https://github.com/http4s/blaze/releases/tag/v1.0.0-M42

CVE-2026-73494 · published 2026-07-24T22:26:27Z · modified 2026-08-12T21:25:59.355788Z · JSON