https://vulnerability.circl.lu/sightings/feed 2026-10-08T08:19:54.916777+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent sightings. https://vulnerability.circl.lu/sighting/e1821dc4-f6c6-48f4-8a9d-8cbc20a2ccd5/export 2026-10-08T08:19:54.936876+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "e1821dc4-f6c6-48f4-8a9d-8cbc20a2ccd5", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21589", "type": "seen", "source": "https://poliverso.org/objects/0477a01e-949430a4-087921198d66a9a6", "content": "Threat actors are exploiting CVE-2026-21589, a critical Atlassian flaw that can expose sensitive files across multiple Data Center products. Threat actors have started exploiting CVE-2026-21589 (CVSS score of 9.3), a critical arbitrary file access flaw in Atlassian Data Center products. The vulnerability could allow attackers to access sensitive files under certain conditions. Affected products include [\u2026]Atlassian Vulnerability Comes Under Attack Hours After Details Go Public", "creation_timestamp": "2026-10-08T08:15:32.718293Z"} 2026-10-08T08:15:32.718293+00:00 https://vulnerability.circl.lu/sighting/a6c84c97-906b-49bf-a307-c949e991d660/export 2026-10-08T08:19:54.939346+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "a6c84c97-906b-49bf-a307-c949e991d660", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21589", "type": "seen", "source": "https://bsky.app/profile/cybersecurity.poliverso.org.ap.brid.gy/post/3mxdzeqfgm2z2", "content": "Threat actors are exploiting CVE-2026-21589, a critical Atlassian flaw that can expose sensitive files across multiple Data Center products. Threat actors have started exploiting CVE-2026-21589 (CVSS score of 9.3), a critical arbitrary file access flaw in Atlassian Data Center products. The [\u2026]", "creation_timestamp": "2026-10-08T08:15:28.608985Z"} 2026-10-08T08:15:28.608985+00:00 https://vulnerability.circl.lu/sighting/841108fb-0e5a-4e7a-af3b-57f8dfd1e452/export 2026-10-08T08:19:54.939491+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "841108fb-0e5a-4e7a-af3b-57f8dfd1e452", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21589", "type": "seen", "source": "https://bsky.app/profile/billingsley.bsky.social/post/3mxdz52p7dn22", "content": "COGNOSCERE Tech Brief \u2014 2026-10-08\n\nAtlassian disclosed CVE-2026-21589, a CVSS 9.3 arbitrary file-read vulnerability\n\nhttps://youtube.com/watch?v=jV1z_n55NXo\n\nhttps://www.cognoscerellc.com/news", "creation_timestamp": "2026-10-08T08:11:10.412518Z"} 2026-10-08T08:11:10.412518+00:00 https://vulnerability.circl.lu/sighting/db7a4330-3da4-44c3-a237-2cd1018db5b0/export 2026-10-08T08:19:54.939601+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "db7a4330-3da4-44c3-a237-2cd1018db5b0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21589", "type": "seen", "source": "https://bsky.app/profile/sinaowolabi76b.bsky.social/post/3mxdywq2j3t2e", "content": "Self-hosting means the patch clock is yours. CVE-2026-21589 allows unauthenticated file access in Atlassian Data Center products, and cloud customers were patched automatically while self-hosted admins must apply the updates themselves.", "creation_timestamp": "2026-10-08T08:07:34.780967Z"} 2026-10-08T08:07:34.780967+00:00 https://vulnerability.circl.lu/sighting/22e7eca7-1606-4a17-9eca-e812790b17ba/export 2026-10-08T08:19:54.939700+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "22e7eca7-1606-4a17-9eca-e812790b17ba", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21589", "type": "seen", "source": "https://bsky.app/profile/diesec.bsky.social/post/3mxdyjkqixh2o", "content": "Atlassian CVE-2026-21589 (CVSS 9.3): unauthenticated file read in 8 Data Center products incl. Jira, Confluence, Bitbucket, Crowd. No exploitation reported yet. Upgrade, restrict access, check logs.\n\ud83c\uddec\ud83c\udde7 diesec.com/2026/10/atla...\n\ud83c\udde9\ud83c\uddea diesec.com/de/2026/10/a... \n#cybersecurity", "creation_timestamp": "2026-10-08T08:00:13.461234Z"} 2026-10-08T08:00:13.461234+00:00 https://vulnerability.circl.lu/sighting/2550b1bc-a0c1-4ece-a1f7-b45714ff77d6/export 2026-10-08T08:19:54.939799+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "2550b1bc-a0c1-4ece-a1f7-b45714ff77d6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21589", "type": "seen", "source": "https://bsky.app/profile/pmloik.bsky.social/post/3mxdyelfq5v2v", "content": "Top 3 CVE for last 7 days:\nCVE-2026-21589: 66 interactions\nCVE-2026-88779: 47 interactions\nCVE-2026-104286: 39 interactions\n\n\nTop 3 CVE for yesterday:\nCVE-2026-21589: 37 interactions\nCVE-2026-107194: 12 interactions\nCVE-2026-88779: 8 interactions\n", "creation_timestamp": "2026-10-08T07:57:25.959200Z"} 2026-10-08T07:57:25.959200+00:00 https://vulnerability.circl.lu/sighting/4e5b384d-44a8-42ce-83c8-2e5632b6b8e8/export 2026-10-08T08:19:54.939894+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "4e5b384d-44a8-42ce-83c8-2e5632b6b8e8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-21589", "type": "seen", "source": "https://bsky.app/profile/ahmandonk.bsky.social/post/3mxdyd67z372i", "content": "\ud83d\udcf0 Hacker Mulai Eksploitasi Celah Kritis Atlassian CVE-2026-21589 setelah PoC Dipublikasikan\n\n\ud83d\udc49 Baca artikel lengkap di sini: https://ahmandonk.com/2026/10/08/atlassian-cve-2026-21589-jira-confluence-bitbucket-exploit/\n\n#cybersecurity #keamananSiber #vulnerability #zero-day", "creation_timestamp": "2026-10-08T07:56:38.666071Z"} 2026-10-08T07:56:38.666071+00:00 https://vulnerability.circl.lu/sighting/3532700f-559d-4eae-8d54-1b7187b58aa5/export 2026-10-08T08:19:54.939989+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "3532700f-559d-4eae-8d54-1b7187b58aa5", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21589", "type": "seen", "source": "https://bsky.app/profile/dastechno.com/post/3mxdwnpyaud2c", "content": "Atlassian-L\u00fccke CVE-2026-21589: Angriffe auf Jira und Confluence\n\nKritische L\u00fccke in Atlassian Data Center (CVSS 9.3): Jira, Confluence, Bitbucket und Crowd werden bereits angegriffen. Welche Versionen sch\u00fctzen und was Admins jetzt tun sollten.\n\n#News", "creation_timestamp": "2026-10-08T07:26:45.905448Z"} 2026-10-08T07:26:45.905448+00:00 https://vulnerability.circl.lu/sighting/f3718741-8dbb-4593-ac2e-b23bb367e553/export 2026-10-08T08:19:54.940080+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "f3718741-8dbb-4593-ac2e-b23bb367e553", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21589", "type": "seen", "source": "https://bsky.app/profile/shiojiri.com/post/3mxdvpymtlk2s", "content": "Atlassian Data Center\u306e\u8106\u5f31\u6027\u3001\u8a73\u7d30\u516c\u958b\u304b\u30892\u6642\u9593\u4ee5\u5185\u306b\u60aa\u7528\u306e\u8a66\u307f\u3092\u78ba\u8a8d\uff08CVE-2026-21589\uff09 | Codebook\uff5cSecurity News https://codebook.machinarecord.com/threatreport/silobreaker-cyber-alert/48034/", "creation_timestamp": "2026-10-08T07:10:07.955149Z"} 2026-10-08T07:10:07.955149+00:00 https://vulnerability.circl.lu/sighting/811adf56-d547-4fcd-8f49-7fb8fb559230/export 2026-10-08T08:19:54.940174+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "811adf56-d547-4fcd-8f49-7fb8fb559230", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21589", "type": "seen", "source": "https://bsky.app/profile/cyberveille-ch.bsky.social/post/3mxdv6yxns725", "content": "\ud83d\udce2 [VULN] Atlassian : une faille critique permet de lire des fichiers sur Jira, Confluence et Bitbucket - CVE-2026-21589\n\nVous administrez une instance Jira, Confluence ou Bitbucket h\u00e9berg\u00e9e sur vos propres serveurs ?\n\n#Vuln\u00e9rabilit\u00e9 #CVE #Cyberveille", "creation_timestamp": "2026-10-08T07:00:37.579317Z"} 2026-10-08T07:00:37.579317+00:00