https://vulnerability.circl.lu Contains only the most 10 recent sightings. http://www.rssboard.org/rss-specification python-feedgen en Tue, 22 Sep 2026 20:19:09 +0000 https://vulnerability.circl.lu/sighting/c44a72f8-5a4c-49c3-9efa-15366eaa9d2b/export {"uuid": "c44a72f8-5a4c-49c3-9efa-15366eaa9d2b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-58491", "type": "seen", "source": "https://gist.github.com/ichintu/85fb1e02960a0516578c312a9bf4f913", "content": "This September 21, 2026 threat intelligence digest highlights four critical vulnerabilities requiring immediate patching: **Joplin Server** (CVE-2026-46649) and **Warpgate** (CVE-2026-58491) contain unmitigated SSO flaws enabling credential brute-forcing and reflected XSS/open redirects, respectively; **Roundcube Webmail** (CVE-2026-48842) is actively exploited in the wild; and **Zyxel GS1900 switches** (CVE-2026-7273) feature a stack-based buffer overflow now listed in CISA\u2019s KEV database. Additionally, community reports suggest a potential compromise of the OWASP API Security page, while a weekly cyber warfare brief tracks state-aligned operations and references CVE-2026-76460/76461. Administrators are urged to prioritize updates to Joplin \u22653.7.2, Warpgate \u22650.25.5, Roundcube \u22651.6.16/1.7.1, and affected Zyxel firmware, while verifying third-party resource integrity.", "creation_timestamp": "2026-09-22T00:03:05.289465Z"} {"uuid": "c44a72f8-5a4c-49c3-9efa-15366eaa9d2b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-58491", "type": "seen", "source": "https://gist.github.com/ichintu/85fb1e02960a0516578c312a9bf4f913", "content": "This September 21, 2026 threat intelligence digest highlights four critical vulnerabilities requiring immediate patching: **Joplin Server** (CVE-2026-46649) and **Warpgate** (CVE-2026-58491) contain unmitigated SSO flaws enabling credential brute-forcing and reflected XSS/open redirects, respectively; **Roundcube Webmail** (CVE-2026-48842) is actively exploited in the wild; and **Zyxel GS1900 switches** (CVE-2026-7273) feature a stack-based buffer overflow now listed in CISA\u2019s KEV database. Additionally, community reports suggest a potential compromise of the OWASP API Security page, while a weekly cyber warfare brief tracks state-aligned operations and references CVE-2026-76460/76461. Administrators are urged to prioritize updates to Joplin \u22653.7.2, Warpgate \u22650.25.5, Roundcube \u22651.6.16/1.7.1, and affected Zyxel firmware, while verifying third-party resource integrity.", "creation_timestamp": "2026-09-22T00:03:05.289465Z"} https://vulnerability.circl.lu/sighting/c44a72f8-5a4c-49c3-9efa-15366eaa9d2b/export Tue, 22 Sep 2026 00:03:05 +0000 https://vulnerability.circl.lu/sighting/d962c923-5e92-4bd3-94c9-56c869532e98/export {"uuid": "d962c923-5e92-4bd3-94c9-56c869532e98", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-58491", "type": "seen", "source": "https://bsky.app/profile/stemshop.bsky.social/post/3mw2jafcb6j2b", "content": "\ud83d\udea8 CVE-2026-58491 \u2014 CVSS 9.3 CRITICAL\n\nWarpgate is an open source SSH, HTTPS and MySQL bastion host for Linux. Prior to 0.25.5, the /@warpgate/api...\n\n\ud83d\udd0e https://stemshop.top/cve/CVE-2026-58491\n\n#CVE #CyberSecurity #InfoSec", "creation_timestamp": "2026-09-21T20:07:30.382021Z"} {"uuid": "d962c923-5e92-4bd3-94c9-56c869532e98", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-58491", "type": "seen", "source": "https://bsky.app/profile/stemshop.bsky.social/post/3mw2jafcb6j2b", "content": "\ud83d\udea8 CVE-2026-58491 \u2014 CVSS 9.3 CRITICAL\n\nWarpgate is an open source SSH, HTTPS and MySQL bastion host for Linux. Prior to 0.25.5, the /@warpgate/api...\n\n\ud83d\udd0e https://stemshop.top/cve/CVE-2026-58491\n\n#CVE #CyberSecurity #InfoSec", "creation_timestamp": "2026-09-21T20:07:30.382021Z"} https://vulnerability.circl.lu/sighting/d962c923-5e92-4bd3-94c9-56c869532e98/export Mon, 21 Sep 2026 20:07:30 +0000 https://vulnerability.circl.lu/sighting/5cedb526-0689-420c-b2de-ff0b4dcf5ca6/export {"uuid": "5cedb526-0689-420c-b2de-ff0b4dcf5ca6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-58491", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mw2glouoej2g", "content": "CVE-2026-58491 - warpgate\nVersions of Warpgate before 0.25.5 allow a specially crafted link to insert unwanted web page code after a user completes single sign\u2011on authentication. This can let an attacker\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#warpgate #warptech #CVE #infosec", "creation_timestamp": "2026-09-21T19:20:07.883063Z"} {"uuid": "5cedb526-0689-420c-b2de-ff0b4dcf5ca6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-58491", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mw2glouoej2g", "content": "CVE-2026-58491 - warpgate\nVersions of Warpgate before 0.25.5 allow a specially crafted link to insert unwanted web page code after a user completes single sign\u2011on authentication. This can let an attacker\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#warpgate #warptech #CVE #infosec", "creation_timestamp": "2026-09-21T19:20:07.883063Z"} https://vulnerability.circl.lu/sighting/5cedb526-0689-420c-b2de-ff0b4dcf5ca6/export Mon, 21 Sep 2026 19:20:07 +0000