Maven/org.http4s:http4s-ember-core_2.13 CVE-2026-54556: high 8.2, EPSS 0.52%
http4s has HTTP/2 Denial of Service with Ember Backend
Action: Upgrade org.http4s:http4s-ember-core_2.13 to 0.23.35 (0.x) or 1.0.0-M47 (1.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 1.0.0-M1 | 1.0.0-M47 | - |
| 0 | 0.23.35 | - |
Fixed versions
| 1.0.0-M47 | 0.23.35 |
Sources
- osv: GHSA-vmm3-xgcx-67hm#Maven/org.http4s:http4s-ember-core_2.13
- nvd: CVE-2026-54556
- https://github.com/http4s/http4s/security/advisories/GHSA-vmm3-xgcx-67hm
- https://github.com/http4s/http4s/commit/6e8eccd64a6a74ab4811897881e95e0e1b3a818e
- https://github.com/http4s/http4s
- https://github.com/http4s/http4s/releases/tag/v0.23.35
- https://github.com/http4s/http4s/releases/tag/v1.0.0-M47
CVE-2026-54556 · published · modified · JSON