- Issued:
- 2026-07-30
- Updated:
- 2026-07-30
RHSA-2026:48891 - Security Advisory
Synopsis
Important: RHACS 4.11.2 security and bug fix update
Type/Severity
Security Advisory: Important
Topic
Updated images are now available for Red Hat Advanced Cluster Security
(RHACS), which typically include new features, bug fixes, and/or
security patches.
Description
See the release notes (link in the references section) for a
description of the fixes and enhancements in this particular release.
Solution
If you are using an earlier version of RHACS, you are advised to
upgrade to the version of RHACS mentioned in the synopsis and release
notes in order to take advantage of the enhancements, bug fixes, and/or
security patches in the release.
Affected Products
- Red Hat Advanced Cluster Security for Kubernetes
Fixes
- https://redhat.atlassian.net/browse/ROX-35462 - CVE-2026-42504 Golang MIME: Denial of Service via maliciously-crafted MIME header
amd64
| registry.redhat.io/advanced-cluster-security/rhacs-central-db-rhel9@sha256:5685a71649cd8d5c572a346976b68a92bef7bbf58d5f38912eb40abaf24f0739 |
| registry.redhat.io/advanced-cluster-security/rhacs-collector-rhel9@sha256:3312a3f15c8417733c5d7eafdd90183bcd9fb04244a1918081f3b2a911875953 |
| registry.redhat.io/advanced-cluster-security/rhacs-fact-rhel9@sha256:8110a60431013e5e8b714a2f135c1625d7f2dec483223a6c79ec23c39cd1229f |
| registry.redhat.io/advanced-cluster-security/rhacs-main-rhel9@sha256:90fadbe8122211a31df7ed708236e1cee61cb8da2d08926f2012d7370e6e2622 |
| registry.redhat.io/advanced-cluster-security/rhacs-rhel9-operator@sha256:fdd42cda6726ea86d75c82a691d026bb1000aea3f1bc1cff9c6c0a541f525ea6 |
| registry.redhat.io/advanced-cluster-security/rhacs-operator-bundle@sha256:a54d7087a3af9b61a1cbddda89b5d4b952e4d5e7341ab9c61495ef9c33305636 |
| registry.redhat.io/advanced-cluster-security/rhacs-roxctl-rhel9@sha256:ee7e48afc6473ffaf45cde59c98cd4290427f293329051ef1a4bfc26559e8d12 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-rhel9@sha256:454356c54a4925dcef9fc76e235015a1e8055baf03a741f8d5cf59e1eaaf2933 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-db-rhel9@sha256:c51aa966ebc260b6920c10dca7cbf80a304c367ef0189c5aefbe9db36e045c02 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-db-slim-rhel9@sha256:6e345f3b891484b590e360279037066ee6c931126b6ef9cabf366326ae40bc00 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-slim-rhel9@sha256:a87fe46cc7f09d2757d7e20811d3d4db947770e061217808bdcaf7d5d38568b5 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-v4-rhel9@sha256:7030fedb63623d3b53cef93cc5b6b57f8cb3e77a567145bf648e1ae12b719b4f |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-v4-db-rhel9@sha256:5af2c57c0a0c2c69ac357700e83e3d853a13b721a357d49175375080a6f2cfbe |
arm64
| registry.redhat.io/advanced-cluster-security/rhacs-central-db-rhel9@sha256:ad568db39287a055021705502052f97c655c3a1f0a1fb495f62fc083f7e769e4 |
| registry.redhat.io/advanced-cluster-security/rhacs-collector-rhel9@sha256:07378851bfdfab080408d29168cbd9ae71ca59daa77193e40b98c4bffea20c5c |
| registry.redhat.io/advanced-cluster-security/rhacs-fact-rhel9@sha256:f4a5b11fe3db09e4eff51f04538862e7f32976509781de2197caa79fdb4465bd |
| registry.redhat.io/advanced-cluster-security/rhacs-main-rhel9@sha256:75ad887f42a73e4a96e9ff71d4cad3d17a23921a637051f0eb80e2bdd278b89b |
| registry.redhat.io/advanced-cluster-security/rhacs-rhel9-operator@sha256:5dbe2daed4f0ba6a6c43d3ed154ac4b738c29ac4f2c5be1550bf30f1e3be9347 |
| registry.redhat.io/advanced-cluster-security/rhacs-roxctl-rhel9@sha256:4fbf9e7f3eabfc008497d3d75081e688f019759904516171f01a21e93541e7d0 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-rhel9@sha256:07cc2321a651d302f55d51aa845c02b3d765a83daa6aeda7607036466c5c8930 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-db-rhel9@sha256:c26cc5fdc89a7c75090c4c11f4abd0a2046872a1271a69a4a0af54b0a6eb0038 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-db-slim-rhel9@sha256:0870dfa372f0029ba90bba9d270afe3b730262180ad970906991a8450789ccd6 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-slim-rhel9@sha256:6ae1a35ee9aab96edfce65bb5738a6928ed8eb42946d5acb7d3ae19d67cb8353 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-v4-rhel9@sha256:46fc3239b07b9a3b6be1f2118e803d04655f2ba68121121d6c69e5530781aef6 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-v4-db-rhel9@sha256:1a40977fdfe83c3ab117cc81b3de7c567c216d19a088094bc08b6674d20cd83a |
ppc64le
| registry.redhat.io/advanced-cluster-security/rhacs-central-db-rhel9@sha256:1d373af6ff6d0304d519bdf48fa985d72b1052381dec1baaa87cd6420ebb93b4 |
| registry.redhat.io/advanced-cluster-security/rhacs-collector-rhel9@sha256:4689503392ae616b2ff49acd932921b36224355a5c2aba381ec487f58316f1da |
| registry.redhat.io/advanced-cluster-security/rhacs-main-rhel9@sha256:cb0d755742c975b2cc2757764d7c3a29977601cbce7b29e2b1f9f5c215eded25 |
| registry.redhat.io/advanced-cluster-security/rhacs-rhel9-operator@sha256:55e02f87b35f5a131ff1892692fc66339d142085175f69390aec1d171646fc57 |
| registry.redhat.io/advanced-cluster-security/rhacs-roxctl-rhel9@sha256:1e7ba0f698480c49662c6bd29b8e27bee8ea903b2bac207b4302787ed54e1e49 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-rhel9@sha256:2b6282fa312cb0f86ebe219d1af1c5e4087dc3ef570b15c6df0a597659ab6aef |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-db-rhel9@sha256:79630c5fc9293984a658cef24ca2c6b8e36ce907296ee23e777bfa06ad4d4a29 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-db-slim-rhel9@sha256:3d34bddeac4b0cbed351aef44c93e7534f35f5d7b75992e4cae3e603734b417c |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-slim-rhel9@sha256:6f7790efad962235ae0dfa1817104a48ecf69edde18483dbc5e0b167580ff567 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-v4-rhel9@sha256:68e4a9a0f31e369dc587cd03ef1206f7407faf589307e66ae5bc1bd3fc5a6d17 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-v4-db-rhel9@sha256:327ba086247de665588bee659025a41973a63cad830d896c36025b1265a01b75 |
s390x
| registry.redhat.io/advanced-cluster-security/rhacs-central-db-rhel9@sha256:579d53ced5dd623da09da66fa073af9ce61cf7f077e395172d97dddff5ead1a0 |
| registry.redhat.io/advanced-cluster-security/rhacs-collector-rhel9@sha256:561fc0df6908af302050d45d43c7e93fbff3a4185be5124b12fc5fc2640182c2 |
| registry.redhat.io/advanced-cluster-security/rhacs-main-rhel9@sha256:11f030dff5b5865966d159d8d60d759c9fb7b44227a83600c9350e4c769b9278 |
| registry.redhat.io/advanced-cluster-security/rhacs-rhel9-operator@sha256:4b18b1c625609954f9e6074bc1a36299dcb5b280d1fd42ea92fa4077ec8bfffa |
| registry.redhat.io/advanced-cluster-security/rhacs-roxctl-rhel9@sha256:6744519ca6a8679c5f47db2e048f5c9757944eb901234a95f740edf011e5b2af |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-rhel9@sha256:fc61a73f56a4be548817ce5f1981c706b478857fb0b2817b572ceb81d1cf0f8c |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-db-rhel9@sha256:629cfc63003d93804f6938b968ffbf723fc380e4db71df9d76c5ac4d6ef4bfcb |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-db-slim-rhel9@sha256:0106d6ecefd6f4c87570de249c2d49491e01d05ff39f7c6cb39ce9322c8b6d20 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-slim-rhel9@sha256:ee08b10dd43a2f57f9265bab775a3a6ee7383f691637a04e2bfa5165a041cc14 |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-v4-rhel9@sha256:5063bdf58549e11f3e0d221b5def69280ed255cec22e858e1c765768bcbcd15f |
| registry.redhat.io/advanced-cluster-security/rhacs-scanner-v4-db-rhel9@sha256:50f07c2f8473da5f6a88a60312d6f4337bba05a30c510a4fd24e8284cfbc0185 |
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