https://vulnerability.circl.lu Contains only the most 10 recent sightings. http://www.rssboard.org/rss-specification python-feedgen en Thu, 02 Jul 2026 01:03:03 +0000 https://vulnerability.circl.lu/sighting/c4c70d9a-b749-44e1-a16b-3fe0768c928c/export {"uuid": "c4c70d9a-b749-44e1-a16b-3fe0768c928c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://thehackernews.com/2026/07/citrix-patches-six-netscaler-flaws.html", "content": "Citrix on Tuesday released security updates to address multiple flaws in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway) that could be exploited by an attacker to facilitate arbitrary file reads or trigger a denial-of-service (DoS) condition.\n\nThe vulnerabilities are listed below -\n\n\n CVE-2026-8451 (CVSS score: 8.8) - An insufficient input validation", "creation_timestamp": "2026-07-02T01:00:41.765961Z"} {"uuid": "c4c70d9a-b749-44e1-a16b-3fe0768c928c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://thehackernews.com/2026/07/citrix-patches-six-netscaler-flaws.html", "content": "Citrix on Tuesday released security updates to address multiple flaws in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway) that could be exploited by an attacker to facilitate arbitrary file reads or trigger a denial-of-service (DoS) condition.\n\nThe vulnerabilities are listed below -\n\n\n CVE-2026-8451 (CVSS score: 8.8) - An insufficient input validation", "creation_timestamp": "2026-07-02T01:00:41.765961Z"} https://vulnerability.circl.lu/sighting/c4c70d9a-b749-44e1-a16b-3fe0768c928c/export Thu, 02 Jul 2026 01:00:41 +0000 https://vulnerability.circl.lu/sighting/5db59e46-4484-42aa-a529-95c834fca007/export {"uuid": "5db59e46-4484-42aa-a529-95c834fca007", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://infosec.exchange/users/DarkWebInformer/statuses/116847526255308726", "content": "\u203c\ufe0f CVE-2026-8451: Citrix Netscaler overread Detection Artifact Generator Tool\nGitHub: https://github.com/watchtowrlabs/watchTowr-vs-Netscaler-CVE-2026-8451\nFull writeup: https://labs.watchtowr.com/citrixbleed-to-infinity-and-beyond-citrix-netscaler-pre-auth-memory-overread-cve-2026-8451/\nCVE-2026-8451 is a NetScaler ADC and NetScaler Gateway memory overread flaw caused by insufficient input validation, affecting appliances configured as a SAML Identity Provider.\nThe risk is sensitive memory disclosure, with researchers showing NetScaler can be tricked into returning process memory that should never leave the appliance.", "creation_timestamp": "2026-07-02T00:22:42.899579Z"} {"uuid": "5db59e46-4484-42aa-a529-95c834fca007", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://infosec.exchange/users/DarkWebInformer/statuses/116847526255308726", "content": "\u203c\ufe0f CVE-2026-8451: Citrix Netscaler overread Detection Artifact Generator Tool\nGitHub: https://github.com/watchtowrlabs/watchTowr-vs-Netscaler-CVE-2026-8451\nFull writeup: https://labs.watchtowr.com/citrixbleed-to-infinity-and-beyond-citrix-netscaler-pre-auth-memory-overread-cve-2026-8451/\nCVE-2026-8451 is a NetScaler ADC and NetScaler Gateway memory overread flaw caused by insufficient input validation, affecting appliances configured as a SAML Identity Provider.\nThe risk is sensitive memory disclosure, with researchers showing NetScaler can be tricked into returning process memory that should never leave the appliance.", "creation_timestamp": "2026-07-02T00:22:42.899579Z"} https://vulnerability.circl.lu/sighting/5db59e46-4484-42aa-a529-95c834fca007/export Thu, 02 Jul 2026 00:22:42 +0000 https://vulnerability.circl.lu/sighting/bee5e5a5-bc27-48b8-8d2f-4be9886b1854/export {"uuid": "bee5e5a5-bc27-48b8-8d2f-4be9886b1854", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://infosec.exchange/users/vuldb/statuses/116845190558867458", "content": "A lot of offensive activities were identified targeting Citrix NetScaler ADC and NetScaler Gateway (CVE-2026-8451) https://vuldb.com/vuln/374866/cti", "creation_timestamp": "2026-07-01T14:28:36.125577Z"} {"uuid": "bee5e5a5-bc27-48b8-8d2f-4be9886b1854", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://infosec.exchange/users/vuldb/statuses/116845190558867458", "content": "A lot of offensive activities were identified targeting Citrix NetScaler ADC and NetScaler Gateway (CVE-2026-8451) https://vuldb.com/vuln/374866/cti", "creation_timestamp": "2026-07-01T14:28:36.125577Z"} https://vulnerability.circl.lu/sighting/bee5e5a5-bc27-48b8-8d2f-4be9886b1854/export Wed, 01 Jul 2026 14:28:36 +0000 https://vulnerability.circl.lu/sighting/63f13518-05a2-4058-aeec-ebe508c9e016/export {"uuid": "63f13518-05a2-4058-aeec-ebe508c9e016", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://www.acn.gov.it/portale/w/vulnerabilita-in-prodotti-citrix-10", "content": "", "creation_timestamp": "2026-07-01T13:45:06.812694Z"} {"uuid": "63f13518-05a2-4058-aeec-ebe508c9e016", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://www.acn.gov.it/portale/w/vulnerabilita-in-prodotti-citrix-10", "content": "", "creation_timestamp": "2026-07-01T13:45:06.812694Z"} https://vulnerability.circl.lu/sighting/63f13518-05a2-4058-aeec-ebe508c9e016/export Wed, 01 Jul 2026 13:45:06 +0000 https://vulnerability.circl.lu/sighting/a067f862-8c55-4cc0-bf11-d3c4727f78a0/export {"uuid": "a067f862-8c55-4cc0-bf11-d3c4727f78a0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://bsky.app/profile/o2cloud.bsky.social/post/3mpll4nsdet23", "content": "\ud83d\udd17 CVE : CVE-2026-10816, CVE-2026-10817, CVE-2026-13474, CVE-2026-8451, CVE-2026-8452, CVE-2026-8655", "creation_timestamp": "2026-07-01T13:00:06.564831Z"} {"uuid": "a067f862-8c55-4cc0-bf11-d3c4727f78a0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://bsky.app/profile/o2cloud.bsky.social/post/3mpll4nsdet23", "content": "\ud83d\udd17 CVE : CVE-2026-10816, CVE-2026-10817, CVE-2026-13474, CVE-2026-8451, CVE-2026-8452, CVE-2026-8655", "creation_timestamp": "2026-07-01T13:00:06.564831Z"} https://vulnerability.circl.lu/sighting/a067f862-8c55-4cc0-bf11-d3c4727f78a0/export Wed, 01 Jul 2026 13:00:06 +0000 https://vulnerability.circl.lu/sighting/ef78be22-aeab-4623-9e06-fd18553dad02/export {"uuid": "ef78be22-aeab-4623-9e06-fd18553dad02", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://bsky.app/profile/suriq.io/post/3mplhwnfofk2p", "content": "Citrix fixed six NetScaler flaws, including a pre-login memory leak (CVE-2026-8451) and an HTTP/2 Bomb denial of service.\n\nOne catch: the HTTP/2 fix does nothing until you enable HTTP Strict Profiles.\n\nUpgrade to 14.1-72.61 / 13.1-63.18, then check the setting.", "creation_timestamp": "2026-07-01T12:03:04.581588Z"} {"uuid": "ef78be22-aeab-4623-9e06-fd18553dad02", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://bsky.app/profile/suriq.io/post/3mplhwnfofk2p", "content": "Citrix fixed six NetScaler flaws, including a pre-login memory leak (CVE-2026-8451) and an HTTP/2 Bomb denial of service.\n\nOne catch: the HTTP/2 fix does nothing until you enable HTTP Strict Profiles.\n\nUpgrade to 14.1-72.61 / 13.1-63.18, then check the setting.", "creation_timestamp": "2026-07-01T12:03:04.581588Z"} https://vulnerability.circl.lu/sighting/ef78be22-aeab-4623-9e06-fd18553dad02/export Wed, 01 Jul 2026 12:03:04 +0000 https://vulnerability.circl.lu/sighting/3b95fe79-c1cf-4773-8fa5-dd9e4bad3e20/export {"uuid": "3b95fe79-c1cf-4773-8fa5-dd9e4bad3e20", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "c933734a-9be8-4142-889e-26e95c752803", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://vulnerability.circl.lu/bundle/ecf78090-6993-45d3-aa99-c6de905a5e7a", "content": "", "creation_timestamp": "2026-07-01T07:59:26.932836Z"} {"uuid": "3b95fe79-c1cf-4773-8fa5-dd9e4bad3e20", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "c933734a-9be8-4142-889e-26e95c752803", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://vulnerability.circl.lu/bundle/ecf78090-6993-45d3-aa99-c6de905a5e7a", "content": "", "creation_timestamp": "2026-07-01T07:59:26.932836Z"} https://vulnerability.circl.lu/sighting/3b95fe79-c1cf-4773-8fa5-dd9e4bad3e20/export Wed, 01 Jul 2026 07:59:26 +0000 https://vulnerability.circl.lu/sighting/090a2f1e-542a-4763-a257-069e0aa7648e/export {"uuid": "090a2f1e-542a-4763-a257-069e0aa7648e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://thehackernews.com/2026/07/citrix-patches-six-netscaler-flaws.html", "content": "Citrix on Tuesday released security updates to address multiple flaws in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway) that could be exploited by an attacker to facilitate arbitrary file reads or trigger a denial-of-service (DoS) condition.\n\nThe vulnerabilities are listed below -\n\n\n CVE-2026-8451 (CVSS score: 8.8) - An insufficient input validation", "creation_timestamp": "2026-07-01T07:00:47.915018Z"} {"uuid": "090a2f1e-542a-4763-a257-069e0aa7648e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://thehackernews.com/2026/07/citrix-patches-six-netscaler-flaws.html", "content": "Citrix on Tuesday released security updates to address multiple flaws in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway) that could be exploited by an attacker to facilitate arbitrary file reads or trigger a denial-of-service (DoS) condition.\n\nThe vulnerabilities are listed below -\n\n\n CVE-2026-8451 (CVSS score: 8.8) - An insufficient input validation", "creation_timestamp": "2026-07-01T07:00:47.915018Z"} https://vulnerability.circl.lu/sighting/090a2f1e-542a-4763-a257-069e0aa7648e/export Wed, 01 Jul 2026 07:00:47 +0000 https://vulnerability.circl.lu/sighting/5b5b8fc5-5d2b-4e4b-8279-a3a07c876cbc/export {"uuid": "5b5b8fc5-5d2b-4e4b-8279-a3a07c876cbc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://bsky.app/profile/hendryadrian.bsky.social/post/3mpkmxmybse2l", "content": "Citrix patched six NetScaler flaws, including CVE-2026-8451, a high-severity memory disclosure bug linked to CitrixBleed-like issues in SAML auth parsing. #Citrix #NetScaler #CVE-2026-8451", "creation_timestamp": "2026-07-01T04:00:25.922189Z"} {"uuid": "5b5b8fc5-5d2b-4e4b-8279-a3a07c876cbc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://bsky.app/profile/hendryadrian.bsky.social/post/3mpkmxmybse2l", "content": "Citrix patched six NetScaler flaws, including CVE-2026-8451, a high-severity memory disclosure bug linked to CitrixBleed-like issues in SAML auth parsing. #Citrix #NetScaler #CVE-2026-8451", "creation_timestamp": "2026-07-01T04:00:25.922189Z"} https://vulnerability.circl.lu/sighting/5b5b8fc5-5d2b-4e4b-8279-a3a07c876cbc/export Wed, 01 Jul 2026 04:00:25 +0000 https://vulnerability.circl.lu/sighting/d8d80fda-33dd-4cd0-8648-1d98088f99a9/export {"uuid": "d8d80fda-33dd-4cd0-8648-1d98088f99a9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://cyber.gc.ca/en/alerts-advisories/citrix-security-advisory-av26-645", "content": "", "creation_timestamp": "2026-07-01T02:37:53.676894Z"} {"uuid": "d8d80fda-33dd-4cd0-8648-1d98088f99a9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-8451", "type": "seen", "source": "https://cyber.gc.ca/en/alerts-advisories/citrix-security-advisory-av26-645", "content": "", "creation_timestamp": "2026-07-01T02:37:53.676894Z"} https://vulnerability.circl.lu/sighting/d8d80fda-33dd-4cd0-8648-1d98088f99a9/export Wed, 01 Jul 2026 02:37:53 +0000