A flaw was found in search-indexer. This vulnerability allows a registered and authenticated managed cluster to tamper with or delete another cluster's indexed search data. This is possible because the delta-sync write paths in search-indexer do not properly restrict UPDATE/DELETE operations to data owned by the calling cluster. An attacker could exploit this by crafting specific user identifiers (UIDs) with a different cluster's prefix.
Metrics
Affected Vendors & Products
References
History
Thu, 27 Aug 2026 04:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:/a:redhat:acm:2.11::el9 cpe:/a:redhat:acm:2.14::el9 cpe:/a:redhat:acm:2.16::el9 |
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| References |
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Wed, 26 Aug 2026 23:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:/a:redhat:acm:2.13::el9 cpe:/a:redhat:acm:2.15::el9 cpe:/a:redhat:acm:2.17::el9 |
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| References |
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Fri, 21 Aug 2026 21:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Redhat advanced Cluster Management For Kubernetes
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| Vendors & Products |
Redhat advanced Cluster Management For Kubernetes
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Fri, 21 Aug 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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Thu, 20 Aug 2026 00:15:00 +0000
| Type | Values Removed | Values Added |
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| References |
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| Metrics |
threat_severity
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threat_severity
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Wed, 19 Aug 2026 21:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A flaw was found in search-indexer. This vulnerability allows a registered and authenticated managed cluster to tamper with or delete another cluster's indexed search data. This is possible because the delta-sync write paths in search-indexer do not properly restrict UPDATE/DELETE operations to data owned by the calling cluster. An attacker could exploit this by crafting specific user identifiers (UIDs) with a different cluster's prefix. | |
| Title | Search-indexer: search-indexer: update/delete operations not scoped to caller's cluster (cross-tenant data tampering) | |
| First Time appeared |
Redhat
Redhat acm |
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| Weaknesses | CWE-693 | |
| CPEs | cpe:/a:redhat:acm:2 | |
| Vendors & Products |
Redhat
Redhat acm |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: redhat
Published: 2026-08-19T20:56:17.608Z
Updated: 2026-08-27T02:21:05.011Z
Reserved: 2026-08-19T19:55:53.101Z
Link: CVE-2026-76827
Updated: 2026-08-21T16:49:11.427Z
Status : Awaiting Analysis
Published: 2026-08-19T21:17:39.227
Modified: 2026-08-27T04:16:49.923
Link: CVE-2026-76827