https://vulnerability.circl.lu Contains only the most 10 recent sightings. http://www.rssboard.org/rss-specification python-feedgen en Wed, 05 Aug 2026 08:01:34 +0000 https://vulnerability.circl.lu/sighting/bde24e95-75ed-49a7-b018-681701d614fa/export {"uuid": "bde24e95-75ed-49a7-b018-681701d614fa", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-56821", "type": "seen", "source": "https://www.acn.gov.it/portale/w/netty-poc-pubbliche-per-lo-sfruttamento-delle-cve-2026-56822-e-cve-2026-56821", "content": "Disponibili Proof of Concept (PoC) per le vulnerabilit\u00e0 CVE-2026-56822 e CVE-2026-56821 presenti nel componente io.netty:netty-handler-ssl-ocsp del framework open source Netty, ampiamente utilizzato per lo sviluppo di applicazioni di rete in ambiente Java. Tali vulnerabilit\u00e0 - gi\u00e0 sanate dal produttore - potrebbero essere sfruttate, in presenza di determinate condizioni, al fine di eludere i controlli di validazione dei certificati digitali e compromettere la sicurezza delle comunicazioni TLS.", "creation_timestamp": "2026-07-30T01:00:44.720501Z"} {"uuid": "bde24e95-75ed-49a7-b018-681701d614fa", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-56821", "type": "seen", "source": "https://www.acn.gov.it/portale/w/netty-poc-pubbliche-per-lo-sfruttamento-delle-cve-2026-56822-e-cve-2026-56821", "content": "Disponibili Proof of Concept (PoC) per le vulnerabilit\u00e0 CVE-2026-56822 e CVE-2026-56821 presenti nel componente io.netty:netty-handler-ssl-ocsp del framework open source Netty, ampiamente utilizzato per lo sviluppo di applicazioni di rete in ambiente Java. Tali vulnerabilit\u00e0 - gi\u00e0 sanate dal produttore - potrebbero essere sfruttate, in presenza di determinate condizioni, al fine di eludere i controlli di validazione dei certificati digitali e compromettere la sicurezza delle comunicazioni TLS.", "creation_timestamp": "2026-07-30T01:00:44.720501Z"} https://vulnerability.circl.lu/sighting/bde24e95-75ed-49a7-b018-681701d614fa/export Thu, 30 Jul 2026 01:00:44 +0000 https://vulnerability.circl.lu/sighting/160f6aa7-667d-4525-ad63-9e246bc3231d/export {"uuid": "160f6aa7-667d-4525-ad63-9e246bc3231d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-56821", "type": "seen", "source": "https://www.acn.gov.it/portale/w/netty-poc-pubbliche-per-lo-sfruttamento-delle-cve-2026-56822-e-cve-2026-56821", "content": "", "creation_timestamp": "2026-07-29T12:15:13.311817Z"} {"uuid": "160f6aa7-667d-4525-ad63-9e246bc3231d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-56821", "type": "seen", "source": "https://www.acn.gov.it/portale/w/netty-poc-pubbliche-per-lo-sfruttamento-delle-cve-2026-56822-e-cve-2026-56821", "content": "", "creation_timestamp": "2026-07-29T12:15:13.311817Z"} https://vulnerability.circl.lu/sighting/160f6aa7-667d-4525-ad63-9e246bc3231d/export Wed, 29 Jul 2026 12:15:13 +0000 https://vulnerability.circl.lu/sighting/563aeac3-d204-461e-aee8-5098db52d08a/export {"uuid": "563aeac3-d204-461e-aee8-5098db52d08a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-56821", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mrqwjehar622", "content": "CVE-2026-56821 - Netty: Out-of-date OCSP Responses Accepted by OcspServerCertificateValidator\nCVE ID : CVE-2026-56821\n \n Published : July 29, 2026, 12:16 a.m. | 2\u00a0hours, 24\u00a0minutes ago\n \n Description : Netty is an asynchronous, event-driven network application framework. Prior...", "creation_timestamp": "2026-07-29T02:57:45.776423Z"} {"uuid": "563aeac3-d204-461e-aee8-5098db52d08a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-56821", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mrqwjehar622", "content": "CVE-2026-56821 - Netty: Out-of-date OCSP Responses Accepted by OcspServerCertificateValidator\nCVE ID : CVE-2026-56821\n \n Published : July 29, 2026, 12:16 a.m. | 2\u00a0hours, 24\u00a0minutes ago\n \n Description : Netty is an asynchronous, event-driven network application framework. Prior...", "creation_timestamp": "2026-07-29T02:57:45.776423Z"} https://vulnerability.circl.lu/sighting/563aeac3-d204-461e-aee8-5098db52d08a/export Wed, 29 Jul 2026 02:57:45 +0000 https://vulnerability.circl.lu/sighting/3f49754a-6453-4994-bb8f-b7d533867084/export {"uuid": "3f49754a-6453-4994-bb8f-b7d533867084", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-56821", "type": "published-proof-of-concept", "source": "https://github.com/netty/netty/security/advisories/GHSA-g7hg-vrcf-mvmr", "content": "", "creation_timestamp": "2026-07-22T22:35:12.909806Z"} {"uuid": "3f49754a-6453-4994-bb8f-b7d533867084", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-56821", "type": "published-proof-of-concept", "source": "https://github.com/netty/netty/security/advisories/GHSA-g7hg-vrcf-mvmr", "content": "", "creation_timestamp": "2026-07-22T22:35:12.909806Z"} https://vulnerability.circl.lu/sighting/3f49754a-6453-4994-bb8f-b7d533867084/export Wed, 22 Jul 2026 22:35:12 +0000