{"metadata": {"vulnerability": "CVE-2026-20353", "count": 30, "kinds": {"milestone": 7, "sighting": 6, "kev": 0, "other": 17}}, "data": [{"timestamp": "2025-10-08T11:59:15.414Z", "date_only": false, "value": "2025-10-08T11:59:15.414Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-20353", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-09-14T00:00:00Z", "date_only": true, "value": "2026-09-14", "kind": "milestone", "label": "Published", "source": "certfr_avis \u00b7 CERTFR-2026-AVI-1175", "record": "CERTFR-2026-AVI-1175", "field": "vendor_advisories.0.published_at"}, {"timestamp": "2026-09-14T00:00:00Z", "date_only": false, "value": "2026-09-14T00:00:00+00:00", "kind": "other", "label": "Recorded", "source": "cvelistv5 / CISA-ADP", "record": "CVE-2026-20353", "field": "containers.adp.0.metrics.0.other.content.timestamp"}, {"timestamp": "2026-09-14T00:00:00Z", "date_only": false, "value": "2026-09-14T00:00:00+00:00", "kind": "other", "label": "Recorded", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-20353", "record": "FKIE_CVE-2026-20353", "field": "metrics.ssvcV203.0.ssvcData.timestamp"}, {"timestamp": "2026-09-14T16:00:00Z", "date_only": false, "value": "2026-09-14T16:00:00+00:00", "kind": "milestone", "label": "Published", "source": "csaf_cisco \u00b7 CISCO-SA-HARDENING-ESA-DFCRFXKM", "record": "CISCO-SA-HARDENING-ESA-DFCRFXKM", "field": "document.tracking.initial_release_date"}, {"timestamp": "2026-09-14T16:00:00Z", "date_only": false, "value": "2026-09-14T16:00:00+00:00", "kind": "other", "label": "Release date", "source": "csaf_cisco \u00b7 CISCO-SA-HARDENING-ESA-DFCRFXKM", "record": "CISCO-SA-HARDENING-ESA-DFCRFXKM", "field": "vulnerabilities.0.release_date"}, {"timestamp": "2026-09-14T16:00:39Z", "date_only": false, "value": "2026-09-14T16:00:39+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_cisco \u00b7 CISCO-SA-HARDENING-ESA-DFCRFXKM", "record": "CISCO-SA-HARDENING-ESA-DFCRFXKM", "field": "document.tracking.revision_history.0.date"}, {"timestamp": "2026-09-14T16:08:50.062Z", "date_only": false, "value": "2026-09-14T16:08:50.062Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-20353", "field": "cveMetadata.datePublished"}, {"timestamp": "2026-09-14T16:08:50.062Z", "date_only": false, "value": "2026-09-14T16:08:50.062Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / cisco", "record": "CVE-2026-20353", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2026-09-14T16:42:48.450Z", "date_only": false, "value": "2026-09-14T16:42:48.450168Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/AAKL/statuses/117270391382884208", "record": "CVE-2026-20353", "field": "creation_timestamp", "uuid": "1e240187-b72f-4482-9bee-3a8a36f09210", "content": "Welcome to Monday and two new advisories from Cisco.\nCRITICAL: CVE-2026-20353, CVE-2026-76440, and CVE-2026-76441: Cisco Secure Email Gateway and Secure Email and Web Manager Security Hardening Release: September 2026 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-esa-dfCrfXkm\nCRITICAL: CVE-2026-76461: Cisco Secure Email Gateway SQL Injection Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-inj-2bLVGmhX\nTwo more critical vulnerabilities on the 9th and the 11th https://sec.cloudapps.cisco.com/security/center/publicationListing.x @TalosSecurity #Cisco #infosec #vulnerability \n@cR0w", "url": "https://infosec.exchange/users/AAKL/statuses/117270391382884208"}, {"timestamp": "2026-09-14T17:17:43Z", "date_only": false, "value": "2026-09-14T17:17:43Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-2XW5-XCXG-33QG", "record": "GHSA-2XW5-XCXG-33QG", "field": "database_specific.nvd_published_at"}, {"timestamp": "2026-09-14T17:17:43Z", "date_only": false, "value": "2026-09-14T17:17:43.000", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-20353", "record": "FKIE_CVE-2026-20353", "field": "published"}, {"timestamp": "2026-09-14T17:30:05.153Z", "date_only": false, "value": "2026-09-14T17:30:05.153135Z", "kind": "sighting", "label": "Seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mvin6h3atz22", "record": "CVE-2026-20353", "field": "creation_timestamp", "uuid": "4ab001d6-00d0-4e83-a020-ef4589ba55a3", "content": "CVE-2026-20353 - cisco secure email\nCisco Secure Email and its management interface contain several flaws that could let attackers manipulate the way the system handles internal resources. This could lead to service\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#cisco #CVE #infosec", "url": "https://bsky.app/profile/stackflag.bsky.social/post/3mvin6h3atz22"}, {"timestamp": "2026-09-14T18:08:38.564Z", "date_only": false, "value": "2026-09-14T18:08:38.564119Z", "kind": "sighting", "label": "Seen", "source": "https://bsky.app/profile/stemshop.bsky.social/post/3mvipdeavle2t", "record": "CVE-2026-20353", "field": "creation_timestamp", "uuid": "85ca1026-0295-4662-ac9f-b12ad2ec5051", "content": "\ud83d\udea8 CVE-2026-20353 \u2014 CVSS 9.8 CRITICAL\n\nAs part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gat...\n\n\ud83d\udd0e https://stemshop.top/cve/CVE-2026-20353\n\n#CVE #CyberSecurity #InfoSec", "url": "https://bsky.app/profile/stemshop.bsky.social/post/3mvipdeavle2t"}, {"timestamp": "2026-09-14T18:31:21Z", "date_only": false, "value": "2026-09-14T18:31:21Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-2XW5-XCXG-33QG", "record": "GHSA-2XW5-XCXG-33QG", "field": "published"}, {"timestamp": "2026-09-14T20:45:09.785Z", "date_only": false, "value": "2026-09-14T20:45:09.785674Z", "kind": "sighting", "label": "Seen", "source": "https://www.acn.gov.it/portale/w/cisco-sfuttamento-in-rete-della-cve-2026-76461-relativa-a-secure-email-gateway", "record": "CVE-2026-20353", "field": "creation_timestamp", "uuid": "742017f9-af84-4571-8efd-8b4834e8a022", "url": "https://www.acn.gov.it/portale/w/cisco-sfuttamento-in-rete-della-cve-2026-76461-relativa-a-secure-email-gateway"}, {"timestamp": "2026-09-15T00:00:00Z", "date_only": false, "value": "2026-09-15T00:00:00", "kind": "milestone", "label": "Published", "source": "certfr_avis \u00b7 CERTFR-2026-AVI-1175", "record": "CERTFR-2026-AVI-1175", "field": "initial_release_date"}, {"timestamp": "2026-09-15T00:00:00Z", "date_only": false, "value": "2026-09-15T00:00:00.000000", "kind": "other", "label": "Revision date", "source": "certfr_avis \u00b7 CERTFR-2026-AVI-1175", "record": "CERTFR-2026-AVI-1175", "field": "revisions.0.revision_date"}, {"timestamp": "2026-09-15T03:56:07.357Z", "date_only": false, "value": "2026-09-15T03:56:07.357Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CISA-ADP", "record": "CVE-2026-20353", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2026-09-15T12:05:06.825Z", "date_only": false, "value": "2026-09-15T12:05:06.825302Z", "kind": "sighting", "label": "Seen", "source": "https://bsky.app/profile/o2cloud.bsky.social/post/3mvkliblu3e23", "record": "CVE-2026-20353", "field": "creation_timestamp", "uuid": "471f4299-018a-4f07-9309-479c8b49e514", "content": "\ud83d\udd17 CVE : CVE-2026-20353, CVE-2026-76440, CVE-2026-76441, CVE-2026-76442, CVE-2026-76443, CVE-2026-76461", "url": "https://bsky.app/profile/o2cloud.bsky.social/post/3mvkliblu3e23"}, {"timestamp": "2026-09-15T17:03:57.940Z", "date_only": false, "value": "2026-09-15T17:03:57.940Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2026-20353", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2026-09-15T17:03:57.940Z", "date_only": false, "value": "2026-09-15T17:03:57.940Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CVE", "record": "CVE-2026-20353", "field": "containers.adp.1.providerMetadata.dateUpdated"}, {"timestamp": "2026-09-15T18:17:19.887Z", "date_only": false, "value": "2026-09-15T18:17:19.887", "kind": "other", "label": "Updated", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-20353", "record": "FKIE_CVE-2026-20353", "field": "lastModified"}, {"timestamp": "2026-09-15T18:32:18Z", "date_only": false, "value": "2026-09-15T18:32:18Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-2XW5-XCXG-33QG", "record": "GHSA-2XW5-XCXG-33QG", "field": "modified"}, {"timestamp": "2026-09-17T00:00:00Z", "date_only": false, "value": "2026-09-17T00:00:00", "kind": "other", "label": "Last revision date", "source": "certfr_avis \u00b7 CERTFR-2026-AVI-1175", "record": "CERTFR-2026-AVI-1175", "field": "last_revision_date"}, {"timestamp": "2026-09-17T00:00:00Z", "date_only": false, "value": "2026-09-17T00:00:00.000000", "kind": "other", "label": "Revision date", "source": "certfr_avis \u00b7 CERTFR-2026-AVI-1175", "record": "CERTFR-2026-AVI-1175", "field": "revisions.1.revision_date"}, {"timestamp": "2026-10-14T16:00:43Z", "date_only": false, "value": "2026-10-14T16:00:43+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_cisco \u00b7 CISCO-SA-HARDENING-ESA-DFCRFXKM", "record": "CISCO-SA-HARDENING-ESA-DFCRFXKM", "field": "document.tracking.revision_history.1.date"}, {"timestamp": "2026-10-14T16:00:43Z", "date_only": false, "value": "2026-10-14T16:00:43+00:00", "kind": "other", "label": "Updated", "source": "csaf_cisco \u00b7 CISCO-SA-HARDENING-ESA-DFCRFXKM", "record": "CISCO-SA-HARDENING-ESA-DFCRFXKM", "field": "document.tracking.current_release_date"}, {"timestamp": "2026-10-14T16:00:47Z", "date_only": false, "value": "2026-10-14T16:00:47+00:00", "kind": "other", "label": "Document generated", "source": "csaf_cisco \u00b7 CISCO-SA-HARDENING-ESA-DFCRFXKM", "record": "CISCO-SA-HARDENING-ESA-DFCRFXKM", "field": "document.tracking.generator.date"}, {"timestamp": "2026-10-15T16:02:40.716Z", "date_only": false, "value": "2026-10-15T16:02:40.716823Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/AAKL/statuses/117445765362861606", "record": "CVE-2026-20353", "field": "creation_timestamp", "uuid": "ffb7695e-5fd7-4a3a-b321-4a62b252876a", "content": "New advisory.\nArctic Wolf: CVE-2026-76461: Active Exploitation of Cisco Secure Email Gateway Critical Zero-Day Vulnerability Immediate Mitigation Required https://arcticwolf.com/resources/blog/cve-2026-76461-active-exploitation-of-cisco-secure-email-gateway-critical-zero-day-vulnerability-immediate-mitigation-required/\nThere were other vulnerabilities that Cisco addressed yesterday\nCRITICAL: CVE-2026-20353, CVE-2026-76440, and CVE-2026-76441: Cisco Secure Email Gateway and Secure Email and Web Manager Security Hardening Release https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-esa-dfCrfXkm\nCRITICAL: CVE-2026-76519: Cisco Secure Email Gateway Arbitrary File Write Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-afw-zqYJkjxp #infosec #Cisco #vulnerability", "url": "https://infosec.exchange/users/AAKL/statuses/117445765362861606"}]}