RH
Product
Red Hat Build of Keycloak
90
CVEs
0
On KEV
9.8
Max CVSS
11
New 30D
Severity mix
Critical 3High 30Medium 50Low 7
Watch
Add Red Hat Build of Keycloak to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2026-42581 | 9.8 | May 13 | Netty: HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization Affected: All versions, or not specified |
| CVE-2026-42584 | 9.1 | May 13 | Netty: HttpClientCodec response desynchronization Affected: All versions, or not specified |
| CVE-2026-42579 | 9.1 | May 13 | Netty: DNS Codec Input Validation Bypass in Netty (Encoder + Decoder) Affected: All versions, or not specified |
| CVE-2026-93569 | 8.2 | Sep 18 | Io.netty/netty-codec-http2: http/1 absolute-form host mismatch is translated to http/2 :authority, overriding the request-target authority Affected: All versions, or not specified |
| CVE-2026-18967 | 8.1 | Aug 6 | Keycloak-services: keycloak-services: saml onetimeuse assertion replay in idp-initiated broker flow Affected: All versions, or not specified |
| CVE-2026-11800 | 8.1 | Jun 25 | Org.keycloak:keycloak-services: keycloak: authentication bypass via jwt algorithm confusion Affected: All versions, or not specified |
| CVE-2026-44249 | 8.1 | Jun 11 | Netty has an IPv6 Subnet Filter Bypass via Incorrect Comparator Masking Affected: All versions, or not specified |
| CVE-2026-28291 | 8.1 | Apr 13 | simple-git has Command Execution via Option-Parsing Bypass Affected: All versions, or not specified |
| CVE-2024-3656 | 8.1 | Oct 9 | Keycloak: unguarded admin rest api endpoints allows low privilege users to use administrative functionalities Affected: All versions, or not specified |
| CVE-2026-93568 | 7.5 | Sep 18 | Io.netty/netty-codec-http2: io.netty/netty-codec-http3: netty: http/2 and http/3 extended connect requests are downgraded as regular connect requests Affected: All versions, or not specified |
| CVE-2026-93567 | 7.5 | Sep 18 | Io.netty/netty-codec-http2: http/1 authority-form connect is translated to malformed http/2 connect with host-controlled :authority Affected: All versions, or not specified |
| CVE-2026-93565 | 7.5 | Sep 18 | Io.netty/netty-codec-http: netty rtspdecoder method-token smuggling via trailing control byte Affected: All versions, or not specified |
| CVE-2026-93564 | 7.5 | Sep 18 | Io.netty/netty-codec-haproxy: netty: haproxy proxy-v2 nested-tlv grandchild bytebuf reference-count leak (incomplete fix of pr #16881) Affected: All versions, or not specified |
| CVE-2026-93558 | 7.5 | Sep 18 | Io.netty/netty-codec-http: netty: unbounded per-connection queue growth in websocketserverextensionhandler leads to denial of service Affected: All versions, or not specified |
| CVE-2026-93491 | 7.5 | Sep 18 | Io.netty/netty-codec-http: netty: denial of service via unbounded httpservercodec http/1.1 pipeline queue Affected: All versions, or not specified |
| CVE-2026-93488 | 7.5 | Sep 18 | Io.netty/netty-codec-http: netty: denial of service via unbounded concurrent spdy streams Affected: All versions, or not specified |
| CVE-2026-87743 | 7.5 | Sep 18 | Quarkus-vertx-http: authorization bypass via path normalization discrepancy in quarkus http security Affected: All versions, or not specified |
| CVE-2026-89059 | 7.5 | Sep 18 | Resteasy-core: resteasy: iioimageprovider unbounded image decode (decompression-bomb dos) Affected: All versions, or not specified |
| CVE-2026-50010 | 7.5 | Jun 12 | Netty's wrapping plain trust manager silently disables hostname verification Affected: All versions, or not specified |
| CVE-2026-48059 | 7.5 | Jun 12 | Netty HAProxy: Unbalanced Reference Count in Nested PP2_TYPE_SSL TLV Parsing Leads to Memory Exhaustion Affected: All versions, or not specified |
| CVE-2026-48043 | 7.5 | Jun 12 | netty-codec-http2: ByteBuf Reference-Count Leak in DelegatingDecompressorFrameListener Leads to Memory Exhaustion Affected: All versions, or not specified |
| CVE-2026-45416 | 7.5 | Jun 12 | Netty: SNI handler pre-allocates up to 16 MiB from nine attacker bytes Affected: All versions, or not specified |
| CVE-2026-44893 | 7.5 | Jun 12 | Netty: HAProxy SSL TLV parsing leaks retained slice on invalid TLV length Affected: All versions, or not specified |
| CVE-2026-40983 | 7.5 | Jun 9 | Micrometer gRPC server instrumentation DoS vulnerability Affected: All versions, or not specified |
| CVE-2026-42587 | 7.5 | May 13 | Netty: HttpContentDecompressor maxAllocation bypass via Content-Encoding: br/zstd/snappy enables decompression bomb DoS Affected: All versions, or not specified |
| CVE-2026-42578 | 7.5 | May 13 | Netty: HTTP Header Injection via HttpProxyHandler Disabled Validation Affected: All versions, or not specified |
| CVE-2025-14813 | 7.5 | Apr 15 | GOSTCTR implementation unable to process more than 255 blocks correctly Affected: All versions, or not specified |
| CVE-2024-3884 | 7.5 | Dec 3 | Undertow: outofmemory when parsing form data encoding with application/x-www-form-urlencoded Affected: All versions, or not specified |
| CVE-2024-7885 | 7.5 | Aug 21 | Undertow: improper state management in proxy protocol parsing causes information leakage Affected: All versions, or not specified |
| CVE-2026-89058 | 7.4 | Sep 18 | Resteasy-core: resteasy: corsfilter reflects arbitrary origin with credentials under wildcard config Affected: All versions, or not specified |
| CVE-2026-19611 | 7.4 | Aug 20 | Wildfly-elytron: org.wildfly.security/wildfly-elytron-password-impl: wildfly-elytron: password keyspace reduction via nfkc fullwidth folding Affected: All versions, or not specified |
| CVE-2024-12397 | 7.4 | Dec 12 | Io.quarkus.http/quarkus-http-core: quarkus http cookie smuggling Affected: All versions, or not specified |
| CVE-2024-2700 | 7.0 | Apr 4 | Quarkus-core: leak of local configuration properties into quarkus applications Affected: All versions, or not specified |
| CVE-2026-109082 | 6.8 | Oct 12 | Keycloak-services: keycloak-services: ciba confidential-only contract not enforced for public clients Affected: All versions, or not specified |
| CVE-2026-97846 | 6.8 | Sep 25 | Keycloak-services: keycloak-services: standard token exchange v2 bypasses mtls holder-of-key binding Affected: All versions, or not specified |
| CVE-2026-96445 | 6.8 | Sep 23 | Keycloak-services: keycloak-services: conditional otp skip-header policy evaluated against untrusted proxy headers Affected: All versions, or not specified |
| CVE-2026-95503 | 6.8 | Sep 22 | Keycloak-services: keycloak-services: potential kdc spoofing bypass when kerberos password authentication is enabled Affected: All versions, or not specified |
| CVE-2026-96448 | 6.6 | Sep 25 | Keycloak-services: keycloak-services: fgap v2 composite-blind role mapping allows privilege escalation Affected: All versions, or not specified |
| CVE-2026-97177 | 6.6 | Sep 24 | Keycloak-services: keycloak-services: generic user update bypasses denied reset-password permission Affected: All versions, or not specified |
| CVE-2026-94000 | 6.6 | Sep 19 | Keycloak-services: keycloak-services: delegated admin with manage-users can escalate to realm-admin via group membership Affected: All versions, or not specified |
| CVE-2026-107121 | 6.5 | Oct 7 | Keycloak-services: keycloak-services: smtp starttls plaintext credential and message downgrade Affected: All versions, or not specified |
| CVE-2026-105306 | 6.5 | Oct 5 | Keycloak-services: keycloak-services: token introspection audience bypass via dynamic client registration Affected: All versions, or not specified |
| CVE-2026-103884 | 6.5 | Oct 1 | Keycloak-services: keycloak-services: path traversal in x.509 crl distribution point allows arbitrary local file read Affected: All versions, or not specified |
| CVE-2026-94001 | 6.5 | Sep 19 | Keycloak-services: keycloak-services: admin credential delete bypasses denied reset-password permission Affected: All versions, or not specified |
| CVE-2026-93562 | 6.5 | Sep 18 | Io.netty/netty-codec-http: netty: incomplete validation of malformed transfer-encoding allows http request smuggling Affected: All versions, or not specified |
| CVE-2026-93574 | 6.5 | Sep 18 | Io.netty/netty-codec-http: netty: http request smuggling via post-digit whitespace in chunk-size parsing Affected: All versions, or not specified |
| CVE-2026-93579 | 6.5 | Sep 18 | Io.netty/netty-codec-http2: netty: http/2 header field values are not validated by default (cr/lf/nul passthrough) Affected: All versions, or not specified |
| CVE-2026-93573 | 6.5 | Sep 18 | Io.netty/netty-codec-http: netty split transfer-encoding fields bypass final-chunked validation and enable request smuggling Affected: All versions, or not specified |
| CVE-2026-93566 | 6.5 | Sep 18 | Io.netty/netty-codec-http: netty: http request smuggling due to control characters in the chunk-size line Affected: All versions, or not specified |
| CVE-2026-88770 | 6.5 | Sep 10 | Keycloak-services: keycloak-services: device authorization grant issues tokens to brute-force-locked accounts Affected: All versions, or not specified |
