CVE-2026-69203

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, An Ember server with HTTP/2 enabled through withHttp2 does not enforce SETTINGSMAXCONCURRENTSTREAMS for peer-created streams. One unauthenticated connection can open an unbounded number of streams, each retaining...

EUVD-2026-79236

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, DigestAuth replay protection records lastNc plus one instead of the highest nonce-count value it has accepted. When a legitimate client sends noncontiguous nc values because of parallel or retried requests, the stored...

CVE-2026-69203 Http4s Ember HTTP/2: does not enforce SETTINGS_MAX_CONCURRENT_STREAMS

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, An Ember server with HTTP/2 enabled through withHttp2 does not enforce SETTINGSMAXCONCURRENTSTREAMS for peer-created streams. One unauthenticated connection can open an unbounded number of streams, each retaining...

CVE-2026-69214

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, The CookieJar client middleware stores a response cookie’s Domain attribute without checking that it domain-matches the host that supplied the cookie or rejecting public suffixes. A malicious or compromised server...

EUVD-2026-79191

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, The CookieJar client middleware uses unanchored substring checks instead of RFC 6265 domain and path matching when deciding whether to attach a stored cookie. A cookie for example.com can consequently be sent to an...

CVE-2026-69214

Http4s , a Scala library for HTTP services, is affected through its CookieJar client middleware . Prior to 0.23.35 and 1.0.0-M47 , the middleware stores a response cookie's Domain attribute without validating that it domain-matches the supplying host or rejecting public suffixes. A malicious or c...

EUVD-2026-79179

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, The CookieJar client middleware stores a response cookie’s Domain attribute without checking that it domain-matches the host that supplied the cookie or rejecting public suffixes. A malicious or compromised server...

lazylist-cve-poc

CVE-2022-36944 payload generator This mini-project is created to demonstrate proof of concept of CVE-2022-36944 vulnerability. It is similar to ysoserial, but generates payload only for this CVE with LazyList class. Quick FAQ What artifacts bring the vulnerability? org.scala-lang:scala-library wi...

CVE-2025-66249-POC

CVE-2025-66249 — Apache Livy Path Traversal Whitelist Bypass For educational and security research purposes only. Do not use against systems you do not own or have explicit written permission to test. →Full Disclaimer Overview...

CVE-2025-60012-POC

For educational and security research purposes only. Do not use against systems you do not own or have explicit written permission to test. →Full Disclaimer CVE-2025-60012 — Apache Livy Unauthorized File Access -yellow Overview...

GHSA-93J5-89VC-PPH4 vulnerabilities

Vulnerabilities for packages: thingsboard, druid, logstash, cassandra-reaper, zipkin...

EUVD-2026-57635

blaze is a Scala library for building asynchronous pipelines, with a focus on network IO. Prior to 0.23.18 and 1.0.0-M42, blaze-server can merge HTTP/1.1 chunked-body trailer fields into Request.headers. Because trailer fields are attacker-controlled, an unauthenticated remote client can inject...

GHSA-M2PW-22CJ-JQ4V

creationtimestamp| type| source ---|---|--- 2026-08-10 21:27:13+00:00| seen| https://bsky.app/profile/scala-lang.org/post/3msr24brbfc2h...

ch.j3t:zio-prefetcher_2.12 (>=0.3.0, <=0.8.0-rc6), com.akolov:doorman-core_2.12 (0.0.5) +148 more potentially affected by CVE-2026-73493 via org.http4s:http4s-blaze-server_2.12 (>=0.15.0a, <=1.0-234-d1a2b53)

org.http4s:http4s-blaze-server2.12 MAVEN version =0.15.0a, =0.3.0, =0.3.0, =0.18.1, =0.1.4, =0.1.4, =0.1.4, =0.1.4, =0.0.6-m4, =0.0.6-m4, =0.0.13, =0.0.13, =0.0.30 and more Source cves: CVE-2026-73493 Source advisory: SNYK:JAVA-ORGHTTP4S-18313134...

ch.j3t:zio-prefetcher_2.12 (>=0.3.0, <=0.8.0-rc6), com.47deg:embedded-cassandra-core_2.12 (0.0.7) +231 more potentially affected by CVE-2026-73493 via org.http4s:http4s-blaze-core_2.12 (>=0.10.0-m10, <=1.0-234-d1a2b53)

org.http4s:http4s-blaze-core2.12 MAVEN version =0.10.0-m10, =0.3.0, =0.22.0, =0.13.2, =0.2.6, =0.3.0, =0.18.1, =0.1.4, =0.1.4, =0.1.4, =0.1.4, =0.1.4, =0.19.3 and more Source cves: CVE-2026-73493 Source advisory: SNYK:JAVA-ORGHTTP4S-18313135...

ch.j3t:zio-prefetcher_2.12 (>=0.3.0, <=0.8.0-rc6), com.akolov:doorman-core_2.12 (0.0.5) +148 more potentially affected by CVE-2026-73495 via org.http4s:http4s-blaze-server_2.12 (>=0.15.0a, <=1.0-234-d1a2b53)

org.http4s:http4s-blaze-server2.12 MAVEN version =0.15.0a, =0.3.0, =0.3.0, =0.18.1, =0.1.4, =0.1.4, =0.1.4, =0.1.4, =0.0.6-m4, =0.0.6-m4, =0.0.13, =0.0.13, =0.0.30 and more Source cves: CVE-2026-73495 Source advisory: SNYK:JAVA-ORGHTTP4S-18313125...

ch.j3t:zio-prefetcher_2.12 (>=0.3.0, <=0.8.0-rc6), com.akolov:doorman-core_2.12 (0.0.5) +148 more potentially affected by unknown CVE via org.http4s:http4s-blaze-server_2.12 (>=0.15.0a, <=1.0-234-d1a2b53)

org.http4s:http4s-blaze-server2.12 MAVEN version =0.15.0a, =0.3.0, =0.3.0, =0.18.1, =0.1.4, =0.1.4, =0.1.4, =0.1.4, =0.0.6-m4, =0.0.6-m4, =0.0.13, =0.0.13, =0.0.30 and more Source cves: unknown CVE Source advisory: SNYK:JAVA-ORGHTTP4S-18313139...

ROOT-APP-MAVEN-CVE-2022-36944 CVE-2022-36944 in io.root.org.scala-lang:scala-library - Patched by Root

Root has patched CVE-2022-36944 in the io.root.org.scala-lang:scala-library package for Root:Maven. Multiple fixed versions available...

OS Command Injection

sbt is vulnerable to OS Command Injection. The vulnerability is due to the lack of validation of the URI fragment, where a malicious fragment can execute arbitrary commands because cmd /c interprets &, |, and ; as command separators...

CVE-2026-32948 sbt: Source dependency feature (via crafted VCS URL) leads to arbitrary code execution on Windows

sbt is a build tool for Scala, Java, and others. From version 0.9.5 to before version 1.12.7, on Windows, sbt uses Process"cmd", "/c", ... to run VCS commands git, hg, svn. The URI fragment branch, tag, revision is user-controlled via the build definition and passed to these commands without...