HTTP4S
21 CVEs tracked since 2021. Since Feb 2021, none of them reached CISA KEV.
HTTP4S CVEs per month
| Month | CVEs | In CISA KEV |
|---|---|---|
| 2021-02 | 2 | 0 |
| 2021-03 | null or fewer | |
| 2021-04 | null or fewer | |
| 2021-05 | null or fewer | |
| 2021-06 | null or fewer | |
| 2021-07 | null or fewer | |
| 2021-08 | null or fewer | |
| 2021-09 | null or fewer | |
| 2021-10 | null or fewer | |
| 2021-11 | null or fewer | |
| 2021-12 | null or fewer | |
| 2022-01 | null or fewer | |
| 2022-02 | null or fewer | |
| 2022-03 | null or fewer | |
| 2022-04 | null or fewer | |
| 2022-05 | null or fewer | |
| 2022-06 | null or fewer | |
| 2022-07 | null or fewer | |
| 2022-08 | null or fewer | |
| 2022-09 | null or fewer | |
| 2022-10 | null or fewer | |
| 2022-11 | null or fewer | |
| 2022-12 | null or fewer | |
| 2023-01 | null or fewer | |
| 2023-02 | null or fewer | |
| 2023-03 | null or fewer | |
| 2023-04 | null or fewer | |
| 2023-05 | null or fewer | |
| 2023-06 | null or fewer | |
| 2023-07 | null or fewer | |
| 2023-08 | null or fewer | |
| 2023-09 | null or fewer | |
| 2023-10 | null or fewer | |
| 2023-11 | null or fewer | |
| 2023-12 | null or fewer | |
| 2024-01 | null or fewer | |
| 2024-02 | null or fewer | |
| 2024-03 | null or fewer | |
| 2024-04 | null or fewer | |
| 2024-05 | null or fewer | |
| 2024-06 | null or fewer | |
| 2024-07 | null or fewer | |
| 2024-08 | null or fewer | |
| 2024-09 | null or fewer | |
| 2024-10 | null or fewer | |
| 2024-11 | null or fewer | |
| 2024-12 | null or fewer | |
| 2025-01 | null or fewer | |
| 2025-02 | null or fewer | |
| 2025-03 | null or fewer | |
| 2025-04 | null or fewer | |
| 2025-05 | null or fewer | |
| 2025-06 | null or fewer | |
| 2025-07 | null or fewer | |
| 2025-08 | null or fewer | |
| 2025-09 | null or fewer | |
| 2025-10 | null or fewer | |
| 2025-11 | null or fewer | |
| 2025-12 | null or fewer | |
| 2026-01 | null or fewer | |
| 2026-02 | null or fewer | |
| 2026-03 | null or fewer | |
| 2026-04 | null or fewer | |
| 2026-05 | null or fewer | |
| 2026-06 | null or fewer | |
| 2026-07 | null or fewer | |
| 2026-08 | null or fewer | |
| 2026-09 | 19 | 0 |
Products
The products that kept showing up in HTTP4S's monthly top three, with their CVEs summed over those months.
Latest CVEs
The 15 most recently published vulnerabilities affecting HTTP4S.
- CVE-2026-61741http4s-scala-xml has an XML External Entity (XXE) processing issue9.3
- CVE-2026-88975Http4s: Ember HTTP/2 buffers a frame's declared payload before checking SETTINGS_MAX_FRAME_SIZE7.5
- CVE-2026-69206Http4s: DigestAuth allows replay of captured requests5.9
- CVE-2026-69202Http4s Ember HTTP/2: unbounded inbound body buffering7.5
- CVE-2026-69218Http4s Ember HTTP/2: unbounded continuation frame accumulation7.5
- CVE-2026-69203Http4s Ember HTTP/2: does not enforce SETTINGS_MAX_CONCURRENT_STREAMS7.5
- CVE-2026-69217Http4s: Ember Server accepts duplicate Content-Length headers8.7
- CVE-2026-69210Http4s: WebSocket decoder accepts negative length, causing infinite decode loop7.5
- CVE-2026-69215Http4s: CookieJar middleware matches by substring, leaking cookies cross-origin6.8
- CVE-2026-69205Http4s: Ember Transfer-Encoding value parsing (TE.CL / TE.0 request smuggling)8.7
- CVE-2026-69212Http4s: FollowRedirect middleware leaks credentials over https->http same-authority redirect5.9
- CVE-2026-69213Http4s Ember HTTP/2: unbounded outbound frame queue7.5
- CVE-2026-69214Http4s: CookieJar middleware accepts arbitrary Set-Cookie domain6.8
- CVE-2026-69201Http4s: ResourceService and Webjar Service path escape via percent-encoded separators5.9
- CVE-2026-69216Http4s: Ember chunk parser lenience (TE.TE request smuggling)5.4
The record
- Peak rank
- #56 in Sep 2026
- Busiest month shown
- Sep 2026, 19 CVEs
- Months with a KEV entry
- 0 since Feb 2021
- Monthly snapshots
- 2 since 2021