- Issued:
- 2026-05-27
- Updated:
- 2026-05-27
RHSA-2026:21516 - Security Advisory
Synopsis
Important: cockpit security update
Type/Severity
Security Advisory: Important
Red Hat Lightspeed patch analysis
Identify and remediate systems affected by this advisory.
Topic
An update for cockpit is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service.
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
Cockpit enables users to administer GNU/Linux servers using a web browser. It offers network configuration, log inspection, diagnostic reports, SELinux troubleshooting, interactive command-line sessions, and more.
Security Fix(es):
- cockpit: Cockpit: Arbitrary command execution via crafted links in system logs UI (CVE-2026-4802)
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:
Affected Products
- Red Hat Enterprise Linux for x86_64 - Extended Life Cycle Long Life 8.6 x86_64
- Red Hat Enterprise Linux Server - AUS 8.6 x86_64
- Red Hat Enterprise Linux Server - TUS 8.6 x86_64
- Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
- Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64
- Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle Long Life 8.6 aarch64
- Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle Long Life 8.6 ppc64le
- Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle Long Life 8.6 s390x
Fixes
- BZ - 2451155 - CVE-2026-4802 cockpit: Cockpit: Arbitrary command execution via crafted links in system logs UI
CVEs
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 Life Cycle Long Life 8.6
| SRPM | |
|---|---|
| cockpit-264.3-1.el8_6.src.rpm | SHA-256: 3fe4f1a9082f6ab32e2ddfc6e26c53138c00b90f356ef20ca137adc90c26777e |
| x86_64 | |
| cockpit-264.3-1.el8_6.x86_64.rpm | SHA-256: 80226cb46b5cdd0f20ae90588513a9872ff7b946bf982590c3c2a8f19c5f9540 |
| cockpit-bridge-264.3-1.el8_6.x86_64.rpm | SHA-256: 891c7b95f3a3212d1f72e21dc0a6ff548bc0ff995e7ba403420c93ed1c6f6f06 |
| cockpit-debuginfo-264.3-1.el8_6.x86_64.rpm | SHA-256: f7233765e15e42e1b8d9f8b7aaa881865436f90463ef292641b682fa0edcd2ec |
| cockpit-debugsource-264.3-1.el8_6.x86_64.rpm | SHA-256: 1a28fdbfc3d2f54ba59a310402f43699a98a0276885bd07ad51fe480287c2b45 |
| cockpit-doc-264.3-1.el8_6.noarch.rpm | SHA-256: 4141b6bc67dbeeae4effaeabbab7c12f16d1f49d5d60ff41657f63d727898871 |
| cockpit-system-264.3-1.el8_6.noarch.rpm | SHA-256: 83f57bd48520b9dcec7838abc920b881574e9d2845cc3636307c7f49b55656d4 |
| cockpit-ws-264.3-1.el8_6.x86_64.rpm | SHA-256: 0bb69968fdc409665adc9e7e05f4495cec264580091edbcb7000dbcc7ef43429 |
Red Hat Enterprise Linux Server - AUS 8.6
| SRPM | |
|---|---|
| cockpit-264.3-1.el8_6.src.rpm | SHA-256: 3fe4f1a9082f6ab32e2ddfc6e26c53138c00b90f356ef20ca137adc90c26777e |
| x86_64 | |
| cockpit-264.3-1.el8_6.x86_64.rpm | SHA-256: 80226cb46b5cdd0f20ae90588513a9872ff7b946bf982590c3c2a8f19c5f9540 |
| cockpit-bridge-264.3-1.el8_6.x86_64.rpm | SHA-256: 891c7b95f3a3212d1f72e21dc0a6ff548bc0ff995e7ba403420c93ed1c6f6f06 |
| cockpit-debuginfo-264.3-1.el8_6.x86_64.rpm | SHA-256: f7233765e15e42e1b8d9f8b7aaa881865436f90463ef292641b682fa0edcd2ec |
| cockpit-debugsource-264.3-1.el8_6.x86_64.rpm | SHA-256: 1a28fdbfc3d2f54ba59a310402f43699a98a0276885bd07ad51fe480287c2b45 |
| cockpit-doc-264.3-1.el8_6.noarch.rpm | SHA-256: 4141b6bc67dbeeae4effaeabbab7c12f16d1f49d5d60ff41657f63d727898871 |
| cockpit-system-264.3-1.el8_6.noarch.rpm | SHA-256: 83f57bd48520b9dcec7838abc920b881574e9d2845cc3636307c7f49b55656d4 |
| cockpit-ws-264.3-1.el8_6.x86_64.rpm | SHA-256: 0bb69968fdc409665adc9e7e05f4495cec264580091edbcb7000dbcc7ef43429 |
Red Hat Enterprise Linux Server - TUS 8.6
| SRPM | |
|---|---|
| cockpit-264.3-1.el8_6.src.rpm | SHA-256: 3fe4f1a9082f6ab32e2ddfc6e26c53138c00b90f356ef20ca137adc90c26777e |
| x86_64 | |
| cockpit-264.3-1.el8_6.x86_64.rpm | SHA-256: 80226cb46b5cdd0f20ae90588513a9872ff7b946bf982590c3c2a8f19c5f9540 |
| cockpit-bridge-264.3-1.el8_6.x86_64.rpm | SHA-256: 891c7b95f3a3212d1f72e21dc0a6ff548bc0ff995e7ba403420c93ed1c6f6f06 |
| cockpit-debuginfo-264.3-1.el8_6.x86_64.rpm | SHA-256: f7233765e15e42e1b8d9f8b7aaa881865436f90463ef292641b682fa0edcd2ec |
| cockpit-debugsource-264.3-1.el8_6.x86_64.rpm | SHA-256: 1a28fdbfc3d2f54ba59a310402f43699a98a0276885bd07ad51fe480287c2b45 |
| cockpit-doc-264.3-1.el8_6.noarch.rpm | SHA-256: 4141b6bc67dbeeae4effaeabbab7c12f16d1f49d5d60ff41657f63d727898871 |
| cockpit-system-264.3-1.el8_6.noarch.rpm | SHA-256: 83f57bd48520b9dcec7838abc920b881574e9d2845cc3636307c7f49b55656d4 |
| cockpit-ws-264.3-1.el8_6.x86_64.rpm | SHA-256: 0bb69968fdc409665adc9e7e05f4495cec264580091edbcb7000dbcc7ef43429 |
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6
| SRPM | |
|---|---|
| cockpit-264.3-1.el8_6.src.rpm | SHA-256: 3fe4f1a9082f6ab32e2ddfc6e26c53138c00b90f356ef20ca137adc90c26777e |
| ppc64le | |
| cockpit-264.3-1.el8_6.ppc64le.rpm | SHA-256: c97ba1740d2d6a7d23475656d5737f27cbe52a3fb5e44545f7b22199925d467f |
| cockpit-bridge-264.3-1.el8_6.ppc64le.rpm | SHA-256: 8a86f9838249cac8f61a3e32a5195a6a146dfe340a576e54e605c3c8875ea46e |
| cockpit-debuginfo-264.3-1.el8_6.ppc64le.rpm | SHA-256: 37354b6749bd7ca0fbeba42ebe0103e4c8674fdeb54a041d575fad6d868aa410 |
| cockpit-debugsource-264.3-1.el8_6.ppc64le.rpm | SHA-256: d970f887ec793c8a9ecccf9cf0fedf4727d0650b91dce8dac1498259f975c4d9 |
| cockpit-doc-264.3-1.el8_6.noarch.rpm | SHA-256: 4141b6bc67dbeeae4effaeabbab7c12f16d1f49d5d60ff41657f63d727898871 |
| cockpit-system-264.3-1.el8_6.noarch.rpm | SHA-256: 83f57bd48520b9dcec7838abc920b881574e9d2845cc3636307c7f49b55656d4 |
| cockpit-ws-264.3-1.el8_6.ppc64le.rpm | SHA-256: bf5721eff578ca1c7b04563f88bb22d9d0e815031823c834d0312449607d3d38 |
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6
| SRPM | |
|---|---|
| cockpit-264.3-1.el8_6.src.rpm | SHA-256: 3fe4f1a9082f6ab32e2ddfc6e26c53138c00b90f356ef20ca137adc90c26777e |
| x86_64 | |
| cockpit-264.3-1.el8_6.x86_64.rpm | SHA-256: 80226cb46b5cdd0f20ae90588513a9872ff7b946bf982590c3c2a8f19c5f9540 |
| cockpit-bridge-264.3-1.el8_6.x86_64.rpm | SHA-256: 891c7b95f3a3212d1f72e21dc0a6ff548bc0ff995e7ba403420c93ed1c6f6f06 |
| cockpit-debuginfo-264.3-1.el8_6.x86_64.rpm | SHA-256: f7233765e15e42e1b8d9f8b7aaa881865436f90463ef292641b682fa0edcd2ec |
| cockpit-debugsource-264.3-1.el8_6.x86_64.rpm | SHA-256: 1a28fdbfc3d2f54ba59a310402f43699a98a0276885bd07ad51fe480287c2b45 |
| cockpit-doc-264.3-1.el8_6.noarch.rpm | SHA-256: 4141b6bc67dbeeae4effaeabbab7c12f16d1f49d5d60ff41657f63d727898871 |
| cockpit-system-264.3-1.el8_6.noarch.rpm | SHA-256: 83f57bd48520b9dcec7838abc920b881574e9d2845cc3636307c7f49b55656d4 |
| cockpit-ws-264.3-1.el8_6.x86_64.rpm | SHA-256: 0bb69968fdc409665adc9e7e05f4495cec264580091edbcb7000dbcc7ef43429 |
Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle Long Life 8.6
| SRPM | |
|---|---|
| cockpit-264.3-1.el8_6.src.rpm | SHA-256: 3fe4f1a9082f6ab32e2ddfc6e26c53138c00b90f356ef20ca137adc90c26777e |
| aarch64 | |
| cockpit-264.3-1.el8_6.aarch64.rpm | SHA-256: c42832ea283d47963982d89be22c8c507facfd6058996a5a789a343e9eef50b6 |
| cockpit-bridge-264.3-1.el8_6.aarch64.rpm | SHA-256: b6ff1be2b154f7acd99ea986c3fa909843f65ade96f750cf6896064b6256f202 |
| cockpit-debuginfo-264.3-1.el8_6.aarch64.rpm | SHA-256: cbec471ee79d8d2db4ea9214994ec3b30b7950c988aca2b382b3c8c3489ae6a0 |
| cockpit-debugsource-264.3-1.el8_6.aarch64.rpm | SHA-256: e76fa143abbbfae672c0752f0adad822442374751c95d1f98c3de41d66045cc0 |
| cockpit-doc-264.3-1.el8_6.noarch.rpm | SHA-256: 4141b6bc67dbeeae4effaeabbab7c12f16d1f49d5d60ff41657f63d727898871 |
| cockpit-system-264.3-1.el8_6.noarch.rpm | SHA-256: 83f57bd48520b9dcec7838abc920b881574e9d2845cc3636307c7f49b55656d4 |
| cockpit-ws-264.3-1.el8_6.aarch64.rpm | SHA-256: 153aeef4d7a39928ebe3c821d22621d9e07eb89f9eb890291c7581873a613a09 |
Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle Long Life 8.6
| SRPM | |
|---|---|
| cockpit-264.3-1.el8_6.src.rpm | SHA-256: 3fe4f1a9082f6ab32e2ddfc6e26c53138c00b90f356ef20ca137adc90c26777e |
| ppc64le | |
| cockpit-264.3-1.el8_6.ppc64le.rpm | SHA-256: c97ba1740d2d6a7d23475656d5737f27cbe52a3fb5e44545f7b22199925d467f |
| cockpit-bridge-264.3-1.el8_6.ppc64le.rpm | SHA-256: 8a86f9838249cac8f61a3e32a5195a6a146dfe340a576e54e605c3c8875ea46e |
| cockpit-debuginfo-264.3-1.el8_6.ppc64le.rpm | SHA-256: 37354b6749bd7ca0fbeba42ebe0103e4c8674fdeb54a041d575fad6d868aa410 |
| cockpit-debugsource-264.3-1.el8_6.ppc64le.rpm | SHA-256: d970f887ec793c8a9ecccf9cf0fedf4727d0650b91dce8dac1498259f975c4d9 |
| cockpit-doc-264.3-1.el8_6.noarch.rpm | SHA-256: 4141b6bc67dbeeae4effaeabbab7c12f16d1f49d5d60ff41657f63d727898871 |
| cockpit-system-264.3-1.el8_6.noarch.rpm | SHA-256: 83f57bd48520b9dcec7838abc920b881574e9d2845cc3636307c7f49b55656d4 |
| cockpit-ws-264.3-1.el8_6.ppc64le.rpm | SHA-256: bf5721eff578ca1c7b04563f88bb22d9d0e815031823c834d0312449607d3d38 |
Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle Long Life 8.6
| SRPM | |
|---|---|
| cockpit-264.3-1.el8_6.src.rpm | SHA-256: 3fe4f1a9082f6ab32e2ddfc6e26c53138c00b90f356ef20ca137adc90c26777e |
| s390x | |
| cockpit-264.3-1.el8_6.s390x.rpm | SHA-256: 386d33ae30cd8e8d7188ee51379b8571a54604df051b9784c6df9e6a65b32590 |
| cockpit-bridge-264.3-1.el8_6.s390x.rpm | SHA-256: 24e8001be9d39bedd605ef2f79fef92613546a420a30bb3a489b01b2857b9488 |
| cockpit-debuginfo-264.3-1.el8_6.s390x.rpm | SHA-256: 18203965e3516cb9bd3de1b1afa5cfd0360f38e67ecaba352ce8acb19431940d |
| cockpit-debugsource-264.3-1.el8_6.s390x.rpm | SHA-256: e74210cb565544fa4568c9a2572a5949c0663c3c15e9254018c8617b8c5bb77f |
| cockpit-doc-264.3-1.el8_6.noarch.rpm | SHA-256: 4141b6bc67dbeeae4effaeabbab7c12f16d1f49d5d60ff41657f63d727898871 |
| cockpit-system-264.3-1.el8_6.noarch.rpm | SHA-256: 83f57bd48520b9dcec7838abc920b881574e9d2845cc3636307c7f49b55656d4 |
| cockpit-ws-264.3-1.el8_6.s390x.rpm | SHA-256: 1294678ec51977a0aa73363da660ae4244673dcbf27023c4076ad925759ebaed |
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
