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    <title>Most recent sightings.</title>
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      <title>28e828fc-f2cb-4033-97c0-6b0f53f17c52</title>
      <link>https://vulnerability.circl.lu/sighting/28e828fc-f2cb-4033-97c0-6b0f53f17c52/export</link>
      <description>{"uuid": "28e828fc-f2cb-4033-97c0-6b0f53f17c52", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-42560", "type": "published-proof-of-concept", "source": "https://github.com/go-pkgz/auth/security/advisories/GHSA-f6qq-3m3h-4g42", "content": "", "creation_timestamp": "2026-04-22T23:43:57.000000Z"}</description>
      <content:encoded>{"uuid": "28e828fc-f2cb-4033-97c0-6b0f53f17c52", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-42560", "type": "published-proof-of-concept", "source": "https://github.com/go-pkgz/auth/security/advisories/GHSA-f6qq-3m3h-4g42", "content": "", "creation_timestamp": "2026-04-22T23:43:57.000000Z"}</content:encoded>
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      <pubDate>Wed, 22 Apr 2026 23:43:57 +0000</pubDate>
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    <item>
      <title>3a8a0ef5-905c-4506-a69f-1e12ceaf4803</title>
      <link>https://vulnerability.circl.lu/sighting/3a8a0ef5-905c-4506-a69f-1e12ceaf4803/export</link>
      <description>{"uuid": "3a8a0ef5-905c-4506-a69f-1e12ceaf4803", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-42560", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/116543090116020818", "content": "\ud83d\udd34 CRITICAL: go-pkgz auth (1.18.0 \u2013 1.25.1, 2.0.0 \u2013 2.1.1) has a major Patreon OAuth flaw (CVE-2026-42560) \u2014 all users merged as one! Patch to 1.25.2/2.1.2 to prevent cross-account access &amp;amp; data leaks. Details: https://radar.offseq.com/threat/cve-2026-42560-cwe-287-improper-authentication-in--e3a2d952 #OffSeq #CVE202642560 #OAuth #infosec", "creation_timestamp": "2026-05-09T06:00:30.144489Z"}</description>
      <content:encoded>{"uuid": "3a8a0ef5-905c-4506-a69f-1e12ceaf4803", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-42560", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/116543090116020818", "content": "\ud83d\udd34 CRITICAL: go-pkgz auth (1.18.0 \u2013 1.25.1, 2.0.0 \u2013 2.1.1) has a major Patreon OAuth flaw (CVE-2026-42560) \u2014 all users merged as one! Patch to 1.25.2/2.1.2 to prevent cross-account access &amp;amp; data leaks. Details: https://radar.offseq.com/threat/cve-2026-42560-cwe-287-improper-authentication-in--e3a2d952 #OffSeq #CVE202642560 #OAuth #infosec", "creation_timestamp": "2026-05-09T06:00:30.144489Z"}</content:encoded>
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      <pubDate>Sat, 09 May 2026 06:00:30 +0000</pubDate>
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    <item>
      <title>3b4a647f-2321-4b5f-bf1c-5ec5d40ae5e2</title>
      <link>https://vulnerability.circl.lu/sighting/3b4a647f-2321-4b5f-bf1c-5ec5d40ae5e2/export</link>
      <description>{"uuid": "3b4a647f-2321-4b5f-bf1c-5ec5d40ae5e2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-42560", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mlfkxlaxiz2c", "content": "CRITICAL: go-pkgz auth (1.18.0 \u2013 1.25.1, 2.0.0 \u2013 2.1.1) merges Patreon OAuth users into one account. Patch to 1.25.2/2.1.2 ASAP to prevent cross-user data exposure! \ud83d\udd12 https://radar.offseq.com/threat/cve-2026-42560-cwe-287-improper-authentication-in--e3a2d952 #OffSeq #OAuth #Security", "creation_timestamp": "2026-05-09T06:00:31.496066Z"}</description>
      <content:encoded>{"uuid": "3b4a647f-2321-4b5f-bf1c-5ec5d40ae5e2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-42560", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mlfkxlaxiz2c", "content": "CRITICAL: go-pkgz auth (1.18.0 \u2013 1.25.1, 2.0.0 \u2013 2.1.1) merges Patreon OAuth users into one account. Patch to 1.25.2/2.1.2 ASAP to prevent cross-user data exposure! \ud83d\udd12 https://radar.offseq.com/threat/cve-2026-42560-cwe-287-improper-authentication-in--e3a2d952 #OffSeq #OAuth #Security", "creation_timestamp": "2026-05-09T06:00:31.496066Z"}</content:encoded>
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      <pubDate>Sat, 09 May 2026 06:00:31 +0000</pubDate>
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    <item>
      <title>3cb5755f-55e2-44c5-a3c0-9cef56e69244</title>
      <link>https://vulnerability.circl.lu/sighting/3cb5755f-55e2-44c5-a3c0-9cef56e69244/export</link>
      <description>{"uuid": "3cb5755f-55e2-44c5-a3c0-9cef56e69244", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42560", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mlftyakx762p", "content": "CVE-2026-42560 - auth: Patreon provider assigns the same local user ID to every authenticated Patreon account, enabling cross\u2011user impersonation\nCVE ID : CVE-2026-42560\n \n Published : May 9, 2026, 6:16 a.m. | 2\u00a0hours, 10\u00a0minutes ago\n \n Description : auth provides authenticatio...", "creation_timestamp": "2026-05-09T08:41:57.214898Z"}</description>
      <content:encoded>{"uuid": "3cb5755f-55e2-44c5-a3c0-9cef56e69244", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42560", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mlftyakx762p", "content": "CVE-2026-42560 - auth: Patreon provider assigns the same local user ID to every authenticated Patreon account, enabling cross\u2011user impersonation\nCVE ID : CVE-2026-42560\n \n Published : May 9, 2026, 6:16 a.m. | 2\u00a0hours, 10\u00a0minutes ago\n \n Description : auth provides authenticatio...", "creation_timestamp": "2026-05-09T08:41:57.214898Z"}</content:encoded>
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      <pubDate>Sat, 09 May 2026 08:41:57 +0000</pubDate>
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    <item>
      <title>ec7f6d5e-4cf3-4ba6-b8d7-df8c55a578a0</title>
      <link>https://vulnerability.circl.lu/sighting/ec7f6d5e-4cf3-4ba6-b8d7-df8c55a578a0/export</link>
      <description>{"uuid": "ec7f6d5e-4cf3-4ba6-b8d7-df8c55a578a0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42560", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mlfvdqi3v72n", "content": "CVE-2026-42560 - auth: Patreon provider assigns the same local user ID to every authenticated Patreon account, enabling cross\u2011user impersonation\nCVE ID : CVE-2026-42560\n \n Published : May 9, 2026, 6:16 a.m. | 28\u00a0minutes ago\n \n Description : auth provides authentication via oau...", "creation_timestamp": "2026-05-09T09:06:16.603263Z"}</description>
      <content:encoded>{"uuid": "ec7f6d5e-4cf3-4ba6-b8d7-df8c55a578a0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42560", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mlfvdqi3v72n", "content": "CVE-2026-42560 - auth: Patreon provider assigns the same local user ID to every authenticated Patreon account, enabling cross\u2011user impersonation\nCVE ID : CVE-2026-42560\n \n Published : May 9, 2026, 6:16 a.m. | 28\u00a0minutes ago\n \n Description : auth provides authentication via oau...", "creation_timestamp": "2026-05-09T09:06:16.603263Z"}</content:encoded>
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      <pubDate>Sat, 09 May 2026 09:06:16 +0000</pubDate>
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    <item>
      <title>23625735-bec1-40b7-962c-7a2fe33798ba</title>
      <link>https://vulnerability.circl.lu/sighting/23625735-bec1-40b7-962c-7a2fe33798ba/export</link>
      <description>{"uuid": "23625735-bec1-40b7-962c-7a2fe33798ba", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42560", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mlgqdt73xa2n", "content": "\ud83d\udd34 CVE-2026-42560 - Critical (9.1)\n\nauth provides authentication via oauth2, direct and email. From versions 1.18.0 to before 1.25.2 ...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-42560/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-05-09T17:09:31.103925Z"}</description>
      <content:encoded>{"uuid": "23625735-bec1-40b7-962c-7a2fe33798ba", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42560", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mlgqdt73xa2n", "content": "\ud83d\udd34 CVE-2026-42560 - Critical (9.1)\n\nauth provides authentication via oauth2, direct and email. From versions 1.18.0 to before 1.25.2 ...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-42560/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-05-09T17:09:31.103925Z"}</content:encoded>
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      <pubDate>Sat, 09 May 2026 17:09:31 +0000</pubDate>
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