RH
Product
Red Hat Build of Keycloak
by Red Hat · last CVE Oct 29, 2026
110
CVEs
0
On KEV
9.8
Max CVSS
14
New 30D
Severity mix
Critical 4High 36Medium 60Low 10
Watch

Add Red Hat Build of Keycloak to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-42581
9.8
1%
May 13
Netty: HTTP/1.0 TE+CL Coexistence Bypasses Smuggling Sanitization
Affected: All versions, or not specified
CVE-2026-33228
9.8
1%
Mar 20
flatted: Prototype Pollution via parse()
Affected: All versions, or not specified
CVE-2026-42584
9.1
1%
May 13
Netty: HttpClientCodec response desynchronization
Affected: All versions, or not specified
CVE-2026-42579
9.1
1%
May 13
Netty: DNS Codec Input Validation Bypass in Netty (Encoder + Decoder)
Affected: All versions, or not specified
CVE-2026-93569
8.2
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
0%
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
0%
Jun 25
Org.keycloak:keycloak-services: keycloak: authentication bypass via jwt algorithm confusion
Affected: All versions, or not specified
CVE-2026-44249
8.1
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
1%
Apr 13
simple-git has Command Execution via Option-Parsing Bypass
Affected: All versions, or not specified
CVE-2024-3656
8.1
3%
Oct 9
Keycloak: unguarded admin rest api endpoints allows low privilege users to use administrative functionalities
Affected: All versions, or not specified
CVE-2024-8698
7.7
2%
Sep 19
Keycloak-saml-core: improper verification of saml responses leading to privilege escalation in keycloak
Affected: All versions, or not specified
CVE-2026-93568
7.5
1%
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
3%
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
1%
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
1%
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
1%
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
1%
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
1%
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
1%
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
1%
Sep 18
Resteasy-core: resteasy: iioimageprovider unbounded image decode (decompression-bomb dos)
Affected: All versions, or not specified
CVE-2026-50010
7.5
0%
Jun 12
Netty's wrapping plain trust manager silently disables hostname verification
Affected: All versions, or not specified
CVE-2026-48059
7.5
1%
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
1%
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
1%
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
1%
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
1%
Jun 9
Micrometer gRPC server instrumentation DoS vulnerability
Affected: All versions, or not specified
CVE-2026-42587
7.5
1%
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
1%
May 13
Netty: HTTP Header Injection via HttpProxyHandler Disabled Validation
Affected: All versions, or not specified
CVE-2025-14813
7.5
0%
Apr 15
GOSTCTR implementation unable to process more than 255 blocks correctly
Affected: All versions, or not specified
CVE-2026-39364
7.5
2%
Apr 7
Vite has a `server.fs.deny` bypass with queries
Affected: All versions, or not specified
CVE-2026-39363
7.5
3%
Apr 7
Vite Affected by Arbitrary File Read via Vite Dev Server WebSocket
Affected: All versions, or not specified
CVE-2026-33871
7.5
1%
Mar 27
Netty HTTP/2 CONTINUATION Frame Flood DoS via Zero-Byte Frame Bypass
Affected: All versions, or not specified
CVE-2026-33870
7.5
1%
Mar 27
Netty: HTTP Request Smuggling via Chunked Extension Quoted-String Parsing
Affected: All versions, or not specified
CVE-2024-3884
7.5
1%
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
3%
Aug 21
Undertow: improper state management in proxy protocol parsing causes information leakage
Affected: All versions, or not specified
CVE-2026-89058
7.4
0%
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
1%
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
1%
Dec 12
Io.quarkus.http/quarkus-http-core: quarkus http cookie smuggling
Affected: All versions, or not specified
CVE-2024-10234
7.3
1%
Oct 22
Wildfly: wildfly vulnerable to cross-site scripting (xss)
Affected: All versions, or not specified
CVE-2024-2700
7.0
0%
Apr 4
Quarkus-core: leak of local configuration properties into quarkus applications
Affected: All versions, or not specified
CVE-2026-109082
6.8
0%
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
0%
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
0%
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
0%
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
0%
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
0%
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
0%
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
0%
Oct 7
Keycloak-services: keycloak-services: smtp starttls plaintext credential and message downgrade
Affected: All versions, or not specified
CVE-2026-105306
6.5
0%
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
0%
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
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