Issued:: 2026-04-27
Updated:: 2026-04-27

RHSA-2026:10705 - Security Advisory

Overview
Updated Packages

Synopsis

Important: rhc security update

Type/Severity

Security Advisory: Important

Red Hat Lightspeed patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for rhc is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

rhc is a client tool and daemon that connects the system to Red Hat hosted services enabling system and subscription management.

Security Fix(es):

google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation (CVE-2026-33186)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64
Red Hat Enterprise Linux Server - AUS 9.6 x86_64
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64
Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64
Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64
Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64
Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le
Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 s390x

Fixes

BZ - 2449833 - CVE-2026-33186 google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation

CVEs

CVE-2026-33186

References

https://access.redhat.com/security/updates/classification/#important

Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6

SRPM
rhc-0.2.7-1.el9_6.3.src.rpm	SHA-256: 47c8fdbc78e9590b901e03436690ac8dfd185576ef57ec6966a7bde137e5cb3d
x86_64
rhc-0.2.7-1.el9_6.3.x86_64.rpm	SHA-256: d3597970b2ba39b98be9e1580d92e4302d783e93ca9de8b1006b5b4a692fd698
rhc-debuginfo-0.2.7-1.el9_6.3.x86_64.rpm	SHA-256: 2580977bb0ad44d5f2e6e0a5f05c2b912824db561202ad1034e2d8a430066b72
rhc-debugsource-0.2.7-1.el9_6.3.x86_64.rpm	SHA-256: 193d6949fce5f481b1fa974a2dfc1208f20b57e28ec83e82a642bdcc13959b59

Red Hat Enterprise Linux Server - AUS 9.6

SRPM
rhc-0.2.7-1.el9_6.3.src.rpm	SHA-256: 47c8fdbc78e9590b901e03436690ac8dfd185576ef57ec6966a7bde137e5cb3d
x86_64
rhc-0.2.7-1.el9_6.3.x86_64.rpm	SHA-256: d3597970b2ba39b98be9e1580d92e4302d783e93ca9de8b1006b5b4a692fd698
rhc-debuginfo-0.2.7-1.el9_6.3.x86_64.rpm	SHA-256: 2580977bb0ad44d5f2e6e0a5f05c2b912824db561202ad1034e2d8a430066b72
rhc-debugsource-0.2.7-1.el9_6.3.x86_64.rpm	SHA-256: 193d6949fce5f481b1fa974a2dfc1208f20b57e28ec83e82a642bdcc13959b59

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6

SRPM
rhc-0.2.7-1.el9_6.3.src.rpm	SHA-256: 47c8fdbc78e9590b901e03436690ac8dfd185576ef57ec6966a7bde137e5cb3d
s390x
rhc-0.2.7-1.el9_6.3.s390x.rpm	SHA-256: f242af414a762cf1d0301cd2b9acd7ffda598dc85405212f56573302ae8a5738
rhc-debuginfo-0.2.7-1.el9_6.3.s390x.rpm	SHA-256: 611642c0f8943ed837ac9d35521aeda1870028c8e8b98e04476d59ca9b22bc2f
rhc-debugsource-0.2.7-1.el9_6.3.s390x.rpm	SHA-256: dd53e49bf8c6f179c37d50b0af576f73e868f915c50d9c754917043b90ccefca

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6

SRPM
rhc-0.2.7-1.el9_6.3.src.rpm	SHA-256: 47c8fdbc78e9590b901e03436690ac8dfd185576ef57ec6966a7bde137e5cb3d
ppc64le
rhc-0.2.7-1.el9_6.3.ppc64le.rpm	SHA-256: 21e990097c661315910d612de4e5a84b94194485899597b27ab2cd0f76ca8fa0
rhc-debuginfo-0.2.7-1.el9_6.3.ppc64le.rpm	SHA-256: 1e19f7029e41d0ad59209018dad2e1f0b72ea018c17638f60fdbdef81c78b355
rhc-debugsource-0.2.7-1.el9_6.3.ppc64le.rpm	SHA-256: 7d61bbbffe7429d494ad53963353e5af0768d724178ba08a0de72f6944859e77

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6

SRPM
rhc-0.2.7-1.el9_6.3.src.rpm	SHA-256: 47c8fdbc78e9590b901e03436690ac8dfd185576ef57ec6966a7bde137e5cb3d
aarch64
rhc-0.2.7-1.el9_6.3.aarch64.rpm	SHA-256: f8db46c146163d17a45e9849daf0f0c7971e8e045d287cea1cbcb25e6b675f0d
rhc-debuginfo-0.2.7-1.el9_6.3.aarch64.rpm	SHA-256: d7fca7f2d7ea4a00f9197b4934edd631eec47ad0edfd24b71e9622beadd7b3a3
rhc-debugsource-0.2.7-1.el9_6.3.aarch64.rpm	SHA-256: 1f9368917bab718b4f695818889e6931d0d0b4cfa48d0b098cc041baf9bb8ffb

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6

SRPM
rhc-0.2.7-1.el9_6.3.src.rpm	SHA-256: 47c8fdbc78e9590b901e03436690ac8dfd185576ef57ec6966a7bde137e5cb3d
ppc64le
rhc-0.2.7-1.el9_6.3.ppc64le.rpm	SHA-256: 21e990097c661315910d612de4e5a84b94194485899597b27ab2cd0f76ca8fa0
rhc-debuginfo-0.2.7-1.el9_6.3.ppc64le.rpm	SHA-256: 1e19f7029e41d0ad59209018dad2e1f0b72ea018c17638f60fdbdef81c78b355
rhc-debugsource-0.2.7-1.el9_6.3.ppc64le.rpm	SHA-256: 7d61bbbffe7429d494ad53963353e5af0768d724178ba08a0de72f6944859e77

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6

SRPM
rhc-0.2.7-1.el9_6.3.src.rpm	SHA-256: 47c8fdbc78e9590b901e03436690ac8dfd185576ef57ec6966a7bde137e5cb3d
x86_64
rhc-0.2.7-1.el9_6.3.x86_64.rpm	SHA-256: d3597970b2ba39b98be9e1580d92e4302d783e93ca9de8b1006b5b4a692fd698
rhc-debuginfo-0.2.7-1.el9_6.3.x86_64.rpm	SHA-256: 2580977bb0ad44d5f2e6e0a5f05c2b912824db561202ad1034e2d8a430066b72
rhc-debugsource-0.2.7-1.el9_6.3.x86_64.rpm	SHA-256: 193d6949fce5f481b1fa974a2dfc1208f20b57e28ec83e82a642bdcc13959b59

Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6

SRPM
x86_64
rhc-debuginfo-0.2.7-1.el9_6.3.x86_64.rpm	SHA-256: 2580977bb0ad44d5f2e6e0a5f05c2b912824db561202ad1034e2d8a430066b72
rhc-debugsource-0.2.7-1.el9_6.3.x86_64.rpm	SHA-256: 193d6949fce5f481b1fa974a2dfc1208f20b57e28ec83e82a642bdcc13959b59
rhc-devel-0.2.7-1.el9_6.3.x86_64.rpm	SHA-256: c591c8e931c72ac9b63801fd60ad2c699b4afe9c17092630fadc684e95648194

Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6

SRPM
ppc64le
rhc-debuginfo-0.2.7-1.el9_6.3.ppc64le.rpm	SHA-256: 1e19f7029e41d0ad59209018dad2e1f0b72ea018c17638f60fdbdef81c78b355
rhc-debugsource-0.2.7-1.el9_6.3.ppc64le.rpm	SHA-256: 7d61bbbffe7429d494ad53963353e5af0768d724178ba08a0de72f6944859e77
rhc-devel-0.2.7-1.el9_6.3.ppc64le.rpm	SHA-256: 450dfa86b10b620159fae8705045a98e824c59cfa57305c826c16e8eb07bb321

Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6

SRPM
s390x
rhc-debuginfo-0.2.7-1.el9_6.3.s390x.rpm	SHA-256: 611642c0f8943ed837ac9d35521aeda1870028c8e8b98e04476d59ca9b22bc2f
rhc-debugsource-0.2.7-1.el9_6.3.s390x.rpm	SHA-256: dd53e49bf8c6f179c37d50b0af576f73e868f915c50d9c754917043b90ccefca
rhc-devel-0.2.7-1.el9_6.3.s390x.rpm	SHA-256: 6569832f6c2107728b92c8db0266040c2de9f36e8cd3f46e6da92ef5db5272dc

Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6

SRPM
aarch64
rhc-debuginfo-0.2.7-1.el9_6.3.aarch64.rpm	SHA-256: d7fca7f2d7ea4a00f9197b4934edd631eec47ad0edfd24b71e9622beadd7b3a3
rhc-debugsource-0.2.7-1.el9_6.3.aarch64.rpm	SHA-256: 1f9368917bab718b4f695818889e6931d0d0b4cfa48d0b098cc041baf9bb8ffb
rhc-devel-0.2.7-1.el9_6.3.aarch64.rpm	SHA-256: 823e221e67ad11ff833564240c552ae360e7e357e7344a1dde3ae9296bdb88cc

Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6

SRPM
rhc-0.2.7-1.el9_6.3.src.rpm	SHA-256: 47c8fdbc78e9590b901e03436690ac8dfd185576ef57ec6966a7bde137e5cb3d
aarch64
rhc-0.2.7-1.el9_6.3.aarch64.rpm	SHA-256: f8db46c146163d17a45e9849daf0f0c7971e8e045d287cea1cbcb25e6b675f0d
rhc-debuginfo-0.2.7-1.el9_6.3.aarch64.rpm	SHA-256: d7fca7f2d7ea4a00f9197b4934edd631eec47ad0edfd24b71e9622beadd7b3a3
rhc-debugsource-0.2.7-1.el9_6.3.aarch64.rpm	SHA-256: 1f9368917bab718b4f695818889e6931d0d0b4cfa48d0b098cc041baf9bb8ffb

Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6

SRPM
rhc-0.2.7-1.el9_6.3.src.rpm	SHA-256: 47c8fdbc78e9590b901e03436690ac8dfd185576ef57ec6966a7bde137e5cb3d
s390x
rhc-0.2.7-1.el9_6.3.s390x.rpm	SHA-256: f242af414a762cf1d0301cd2b9acd7ffda598dc85405212f56573302ae8a5738
rhc-debuginfo-0.2.7-1.el9_6.3.s390x.rpm	SHA-256: 611642c0f8943ed837ac9d35521aeda1870028c8e8b98e04476d59ca9b22bc2f
rhc-debugsource-0.2.7-1.el9_6.3.s390x.rpm	SHA-256: dd53e49bf8c6f179c37d50b0af576f73e868f915c50d9c754917043b90ccefca

Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6

SRPM
rhc-0.2.7-1.el9_6.3.src.rpm	SHA-256: 47c8fdbc78e9590b901e03436690ac8dfd185576ef57ec6966a7bde137e5cb3d
x86_64
rhc-0.2.7-1.el9_6.3.x86_64.rpm	SHA-256: d3597970b2ba39b98be9e1580d92e4302d783e93ca9de8b1006b5b4a692fd698
rhc-debuginfo-0.2.7-1.el9_6.3.x86_64.rpm	SHA-256: 2580977bb0ad44d5f2e6e0a5f05c2b912824db561202ad1034e2d8a430066b72
rhc-debugsource-0.2.7-1.el9_6.3.x86_64.rpm	SHA-256: 193d6949fce5f481b1fa974a2dfc1208f20b57e28ec83e82a642bdcc13959b59

Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6

SRPM
rhc-0.2.7-1.el9_6.3.src.rpm	SHA-256: 47c8fdbc78e9590b901e03436690ac8dfd185576ef57ec6966a7bde137e5cb3d
aarch64
rhc-0.2.7-1.el9_6.3.aarch64.rpm	SHA-256: f8db46c146163d17a45e9849daf0f0c7971e8e045d287cea1cbcb25e6b675f0d
rhc-debuginfo-0.2.7-1.el9_6.3.aarch64.rpm	SHA-256: d7fca7f2d7ea4a00f9197b4934edd631eec47ad0edfd24b71e9622beadd7b3a3
rhc-debugsource-0.2.7-1.el9_6.3.aarch64.rpm	SHA-256: 1f9368917bab718b4f695818889e6931d0d0b4cfa48d0b098cc041baf9bb8ffb

Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6

SRPM
rhc-0.2.7-1.el9_6.3.src.rpm	SHA-256: 47c8fdbc78e9590b901e03436690ac8dfd185576ef57ec6966a7bde137e5cb3d
ppc64le
rhc-0.2.7-1.el9_6.3.ppc64le.rpm	SHA-256: 21e990097c661315910d612de4e5a84b94194485899597b27ab2cd0f76ca8fa0
rhc-debuginfo-0.2.7-1.el9_6.3.ppc64le.rpm	SHA-256: 1e19f7029e41d0ad59209018dad2e1f0b72ea018c17638f60fdbdef81c78b355
rhc-debugsource-0.2.7-1.el9_6.3.ppc64le.rpm	SHA-256: 7d61bbbffe7429d494ad53963353e5af0768d724178ba08a0de72f6944859e77

Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6

SRPM
rhc-0.2.7-1.el9_6.3.src.rpm	SHA-256: 47c8fdbc78e9590b901e03436690ac8dfd185576ef57ec6966a7bde137e5cb3d
s390x
rhc-0.2.7-1.el9_6.3.s390x.rpm	SHA-256: f242af414a762cf1d0301cd2b9acd7ffda598dc85405212f56573302ae8a5738
rhc-debuginfo-0.2.7-1.el9_6.3.s390x.rpm	SHA-256: 611642c0f8943ed837ac9d35521aeda1870028c8e8b98e04476d59ca9b22bc2f
rhc-debugsource-0.2.7-1.el9_6.3.s390x.rpm	SHA-256: dd53e49bf8c6f179c37d50b0af576f73e868f915c50d9c754917043b90ccefca

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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