HT
Product
http4s
by http4s · last CVE Sep 15, 2026
20
CVEs
0
On KEV
9.2
Max CVSS
0
New 30D
Severity mix
Critical 1High 12Medium 7Low 0
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Add http4s to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-69215
6.8
1%
Sep 15
Http4s: CookieJar middleware matches by substring, leaking cookies cross-origin
Affected: < 0.23.35; >= 1.0.0-M1, < 1.0.0-M47
CVE-2026-69214
6.8
0%
Sep 15
Http4s: CookieJar middleware accepts arbitrary Set-Cookie domain
Affected: < 0.23.35; >= 1.0.0-M1, < 1.0.0-M47
CVE-2026-69206
5.9
0%
Sep 15
Http4s: DigestAuth allows replay of captured requests
Affected: < 0.23.35; >= 1.0.0-M1, < 1.0.0-M47
CVE-2026-69212
5.9
0%
Sep 15
Http4s: FollowRedirect middleware leaks credentials over https->http same-authority redirect
Affected: < 0.23.35; >= 1.0.0-M1, < 1.0.0-M47
CVE-2026-69201
5.9
1%
Sep 15
Http4s: ResourceService and Webjar Service path escape via percent-encoded separators
Affected: < 0.23.35; >= 1.0.0-M1, < 1.0.0-M47
CVE-2026-69216
5.4
0%
Sep 15
Http4s: Ember chunk parser lenience (TE.TE request smuggling)
Affected: < 0.23.35; >= 1.0.0-M1, < 1.0.0-M47
CVE-2026-69211
4.8
0%
Sep 15
Http4s: Set-Cookie rendering does not escape attribute delimiters
Affected: < 0.23.35; >= 1.0.0-M1, < 1.0.0-M47
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