139 lines
6.1 KiB
JSON
139 lines
6.1 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-61795",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-07-10T20:06:05.617Z",
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"datePublished": "2026-09-18T16:31:42.182Z",
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"dateUpdated": "2026-09-21T20:49:59.055Z"
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},
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"containers": {
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"cna": {
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"title": "Capsule: hostnameRegexHandler.OnUpdate validates stale (old) Tenant regex, allowing invalid AllowedHostnames regex to bypass webhook validation",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-697",
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"lang": "en",
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"description": "CWE-697: Incorrect Comparison",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 6.8,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "HIGH",
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"scope": "CHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",
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"version": "3.1"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/projectcapsule/capsule/security/advisories/GHSA-f94q-w3w8-cj67",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/projectcapsule/capsule/security/advisories/GHSA-f94q-w3w8-cj67"
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},
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{
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"name": "https://github.com/projectcapsule/capsule/pull/1983",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/projectcapsule/capsule/pull/1983"
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},
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{
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"name": "https://github.com/projectcapsule/capsule/commit/8d89d6865df6f41c7faa22fc9e807a57b01bfd0e",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/projectcapsule/capsule/commit/8d89d6865df6f41c7faa22fc9e807a57b01bfd0e"
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},
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{
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"name": "https://github.com/projectcapsule/capsule/releases/tag/v0.13.7",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/projectcapsule/capsule/releases/tag/v0.13.7"
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}
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],
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"affected": [
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{
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"vendor": "projectcapsule",
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"product": "capsule",
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"versions": [
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{
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"version": ">= 0.13.0, < 0.13.7",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-09-18T16:31:42.182Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.7, hostnameRegexHandler.OnUpdate in internal/webhook/tenant/validation/hostname_regex.go reverses the new and old Tenant parameters and validates the previous AllowedHostnames.Regex instead of the submitted value. A cluster administrator can therefore store a malformed AllowedHostnames.Regex after the webhook accepts the update based on stale valid state. Subsequent Ingress creation or update reaches validate_hostnames.go, which evaluates the malformed pattern, ignores the regular-expression error, and treats every hostname as unmatched, blocking Ingress operations for the affected tenant until an administrator repairs the Tenant configuration. This issue is fixed in version 0.13.7."
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}
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],
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"source": {
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"advisory": "GHSA-f94q-w3w8-cj67",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-18T19:30:32.778857Z",
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"id": "CVE-2026-61795",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-21T20:49:59.055Z"
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}
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}
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]
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}
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} |