Update module github.com/cilium/cilium to v1.18.10 [SECURITY]#586
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This PR contains the following updates:
v1.18.9→v1.18.10CiliumLocalRedirectPolicy addressMatcher allows cross-namespace service traffic hijacking and can break service translation
CVE-2026-53935 / GHSA-q6h5-q3q6-f87x
More information
Details
Impact
Users with the ability to create CiliumLocalRedirectPolicies can specify arbitrary ClusterIPs via addressMatcher, which enables hijacking traffic to Services in any namespace, bypassing the namespace-scoping guarantees enforced by serviceMatcher.
In addition, deleting such a policy can corrupt Cilium's internal service state, causing service translation to stop working entirely for the affected Service.
Patches
This issue affects:
This issue has been patched in:
Workarounds
There is no workaround to this issue.
Acknowledgements
The Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @ysksuzuki for investigating and fixing the issue.
For more information
If there are any questions or comments about this advisory, please reach out on Slack.
To report potential vulnerabilities affecting Cilium, it strongly is encouraged to report them through the security mailing list at security@cilium.io. This is a private mailing list for the Cilium security team, and reports will be treated as a top priority.
Severity
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:HReferences
This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).
Release Notes
cilium/cilium (github.com/cilium/cilium)
v1.18.10: 1.18.10Compare Source
Summary of Changes
Bugfixes:
CI Changes:
Misc Changes:
354584b(v1.18) (#45616, @cilium-renovate[bot])44f0fdb(v1.18) (#45479, @cilium-renovate[bot])6e3229e(v1.18) (#45621, @cilium-renovate[bot])b782452(v1.18) (#45489, @cilium-renovate[bot])e7d728c(v1.18) (#45748, @cilium-renovate[bot])Other Changes:
Docker Manifests
cilium
quay.io/cilium/cilium:v1.18.10@​sha256:dd573bc2f7213dbd978e564a363ecaad060e9578ed557b92b53e42eeeb0f2294clustermesh-apiserver
quay.io/cilium/clustermesh-apiserver:v1.18.10@​sha256:59f806137c7b153504d4352254e48a03714e924e797c89a7e6f18c6f9c39f80adocker-plugin
quay.io/cilium/docker-plugin:v1.18.10@​sha256:5602ac037c5541e1999808f9195913de848b9b1b8b863434b89fd2d5d9c7f27chubble-relay
quay.io/cilium/hubble-relay:v1.18.10@​sha256:6f320095640b8e7bb4c1c9efdd0ed46302d0d684c3ea04eb341ca7e0618ef740operator-alibabacloud
quay.io/cilium/operator-alibabacloud:v1.18.10@​sha256:ed72bbf23849ea772acda3960d060200d7893b41c2228b2805706a608e0e2ee9operator-aws
quay.io/cilium/operator-aws:v1.18.10@​sha256:9bb1f11266ee9ee85a218206c47bc180a62c168ea295834149c05f54b76a44c1operator-azure
quay.io/cilium/operator-azure:v1.18.10@​sha256:997ffc723ab7a542e86558721de8167a24e7a45a6c9caba9a74ab3b427620562operator-generic
quay.io/cilium/operator-generic:v1.18.10@​sha256:ab08d58fd12e98d9a9601d4b52beee839ff2537fba73d262aabad222454a16b3operator
quay.io/cilium/operator:v1.18.10@​sha256:a62e6af4e3d0a57998ea76c398f6eaba0f0b6502de0cadd7a4153bf81f96102dConfiguration
📅 Schedule: (UTC)
🚦 Automerge: Enabled.
♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
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