{"vulnerability": "CVE-2026-42193", "sightings": [{"uuid": "ee218e6b-03d2-4709-b6bc-f6774727d745", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42193", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mlerpeba2u2n", "content": "\ud83d\udd34 CVE-2026-42193 - Critical (9.1)\n\nPlunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webh...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-42193/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-05-08T22:28:32.583927Z"}, {"uuid": "e3523dcc-2f32-43cc-aef2-0afd1e502891", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42193", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mles67hmih2p", "content": "CVE-2026-42193 - Plunk: SNS webhook forgery\nCVE ID : CVE-2026-42193\n \n Published : May 8, 2026, 9:12 p.m. | 1\u00a0hour, 13\u00a0minutes ago\n \n Description : Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon...", "creation_timestamp": "2026-05-08T22:36:49.958032Z"}, {"uuid": "a1d9a474-83ad-4c33-844f-0f856fa5ff1a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-42193", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/116543444093952130", "content": "\ud83d\udea8 CVE-2026-42193 (CVSS 9.1, CRITICAL): useplunk plunk < 0.9.0 fails to verify SNS signatures at /webhooks/sns, allowing spoofed webhook attacks. Patched in 0.9.0 \u2014 verify your version & check vendor advisory. https://radar.offseq.com/threat/cve-2026-42193-cwe-347-improper-verification-of-cr-fc4beea9 #OffSeq #Vuln #EmailSecurity #CVE202642193", "creation_timestamp": "2026-05-09T07:30:30.998419Z"}, {"uuid": "99831c94-f9e8-4d37-9d0c-6fc1a172c63e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-42193", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mlfpykd4vo2v", "content": "CRITICAL vuln in Plunk (useplunk) < 0.9.0: SNS signatures not verified, allowing spoofed webhook abuse. Patched in 0.9.0 \u2014 confirm your version with vendor. https://radar.offseq.com/threat/cve-2026-42193-cwe-347-improper-verification-of-cr-fc4beea9 #OffSeq #EmailSecurity #CVE202642193", "creation_timestamp": "2026-05-09T07:30:33.624314Z"}, {"uuid": "5b996064-efe5-4a20-a7e4-099c6f8ce0cd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42193", "type": "seen", "source": "https://t.me/shimiscyberworld/1319", "content": "\ud83d\udee1\ufe0f SCW \u2502 Critical Vulnerability\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\n\u26a0\ufe0f CVE-2026-42193 \u2014 CVSS 9.1\nCVE-2026-42193: Plunk Email Platform Critical Unauthenticated Webhook Forgery\n\nCVE-2026-42193 \u2014 Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from un\n\n\ud83d\udd34 Critical \u00b7 2 ATT&CK techniques mapped\n\n#cve  #critical  #high_severity\n\n\ud83d\udcd6 Full analysis + IOCs \u2192\n\ud83c\udfaf Type /detect cve-2026-42193 in the bot\nOpen Intel Bot \u2192\n\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\ud83c\udf10 @shimiscyberworld \u00b7 shimiscyberworld.com", "creation_timestamp": "2026-09-12T10:00:11.933686Z"}, {"uuid": "30b8582b-61ab-45d8-9594-a4a25c0188e4", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42193", "type": "seen", "source": "https://t.me/shimiscyberworld/1328", "content": "\ud83d\udee1\ufe0f SCW \u2502 Daily Vulnerability Digest\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\ud83d\udcc5 2026-05-09\n\n\ud83d\udcca 23 vulnerabilities detected today \u2014 7 \ud83d\udd34 Critical, 16 \ud83d\udd34 High\n\n\ud83d\udd34 CRITICAL\n  \u2022 CVE-2026-42298 (10) \u2014 CVE-2026-42298: Critical RCE in Postiz AI Scheduling Tool\n  \u2022 CVE-2026-42454 (9.9) \u2014 Termix RCE via Container ID Injection (CVE-2026-42454)\n  \u2022 CVE-2026-42302 (9.8) \u2014 CVE-2026-42302: FastGPT Agent Sandbox RCE\n  \u2022 CVE-2026-42193 (9.1) \u2014 CVE-2026-42193: Plunk Email Platform Critical\u2026\n  \u2022 CVE-2026-42354 (9.1) \u2014 Sentry SAML SSO Critical Vulnerability Allows Account\u2026\n  \u2022 CVE-2026-44313 (9.1) \u2014 Linkwarden SSRF Vulnerability (CVE-2026-44313) Allows\u2026\n  \u2022 CVE-2026-42560 (9.1) \u2014 CVE-2026-42560: Critical Patreon OAuth Flaw Merges User\u2026\n\n\ud83d\udd34 HIGH\n  \u2022 CVE-2026-42556 (8.9) \u2014 CVE-2026-42556: Postiz AI Tool Vulnerability Allows Stored\u2026\n  \u2022 CVE-2026-42205 (8.8) \u2014 CVE-2026-42205: Avo Framework Privilege Escalation in Ruby\u2026\n  \u2022 CVE-2026-42352 (8.6) \u2014 pygeoapi RCE: OGC API Vulnerability Exposes Internal\u2026\n  \u2022 CVE-2026-41705 (8.6) \u2014 CVE-2026-41705: Spring AI MilvusVectorStore Vulnerable to\u2026\n  \u2022 CVE-2026-42452 (8.1) \u2014 Termix CVE-2026-42452 Bypasses 2FA with Temporary JWT\n  \u2022 CVE-2026-6665 (8.1) \u2014 PgBouncer SCRAM Vulnerability (CVE-2026-6665) Allows Stack\u2026\n  \u2022 CVE-2026-42296 (8.1) \u2014 CVE-2026-42296: Argo Workflows Bypass Grants Host Network\u2026\n  \u2022 CVE-2026-41520 (7.9) \u2014 CVE-2026-41520: Cilium Bugtool Leaks Sensitive WireGuard\u2026\n  \u2022 CVE-2026-42301 (7.8) \u2014 CVE-2026-42301: Malicious Code Execution Via pyp2spec RPM\u2026\n  \u2022 CVE-2026-42345 (7.7) \u2014 FastGPT Vulnerability: Cloud Metadata Bypass via URL\u2026\n  \u2026 and 6 more\n\n\ud83d\udcd6 View all vulnerabilities \u2192\n\n\ud83c\udfaf Need SIEM rules for these threats?\nGenerate detection rules for Splunk, Sentinel, QRadar & more \u2014 tailored per breach\nOpen /detect in Intel Bot \u2192\n\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\ud83c\udf10 @shimiscyberworld \u00b7 shimiscyberworld.com", "creation_timestamp": "2026-09-12T10:00:11.396119Z"}, {"uuid": "50a93ff2-55dd-4d0b-8943-0dd98bfbaa86", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42193", "type": "seen", "source": "https://t.me/shimiscyberworld/1319", "content": "\ud83d\udee1\ufe0f SCW \u2502 Critical Vulnerability\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\n\u26a0\ufe0f CVE-2026-42193 \u2014 CVSS 9.1\nCVE-2026-42193: Plunk Email Platform Critical Unauthenticated Webhook Forgery\n\nCVE-2026-42193 \u2014 Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from un\n\n\ud83d\udd34 Critical \u00b7 2 ATT&CK techniques mapped\n\n#cve  #critical  #high_severity\n\n\ud83d\udcd6 Full analysis + IOCs \u2192\n\ud83c\udfaf Type /detect cve-2026-42193 in the bot\nOpen Intel Bot \u2192\n\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\ud83c\udf10 @shimiscyberworld \u00b7 shimiscyberworld.com", "creation_timestamp": "2026-09-13T00:00:39.350526Z"}, {"uuid": "8e186bf7-3e21-4445-8964-3a85196f0733", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42193", "type": "seen", "source": "https://t.me/shimiscyberworld/1328", "content": "\ud83d\udee1\ufe0f SCW \u2502 Daily Vulnerability Digest\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\ud83d\udcc5 2026-05-09\n\n\ud83d\udcca 23 vulnerabilities detected today \u2014 7 \ud83d\udd34 Critical, 16 \ud83d\udd34 High\n\n\ud83d\udd34 CRITICAL\n  \u2022 CVE-2026-42298 (10) \u2014 CVE-2026-42298: Critical RCE in Postiz AI Scheduling Tool\n  \u2022 CVE-2026-42454 (9.9) \u2014 Termix RCE via Container ID Injection (CVE-2026-42454)\n  \u2022 CVE-2026-42302 (9.8) \u2014 CVE-2026-42302: FastGPT Agent Sandbox RCE\n  \u2022 CVE-2026-42193 (9.1) \u2014 CVE-2026-42193: Plunk Email Platform Critical\u2026\n  \u2022 CVE-2026-42354 (9.1) \u2014 Sentry SAML SSO Critical Vulnerability Allows Account\u2026\n  \u2022 CVE-2026-44313 (9.1) \u2014 Linkwarden SSRF Vulnerability (CVE-2026-44313) Allows\u2026\n  \u2022 CVE-2026-42560 (9.1) \u2014 CVE-2026-42560: Critical Patreon OAuth Flaw Merges User\u2026\n\n\ud83d\udd34 HIGH\n  \u2022 CVE-2026-42556 (8.9) \u2014 CVE-2026-42556: Postiz AI Tool Vulnerability Allows Stored\u2026\n  \u2022 CVE-2026-42205 (8.8) \u2014 CVE-2026-42205: Avo Framework Privilege Escalation in Ruby\u2026\n  \u2022 CVE-2026-42352 (8.6) \u2014 pygeoapi RCE: OGC API Vulnerability Exposes Internal\u2026\n  \u2022 CVE-2026-41705 (8.6) \u2014 CVE-2026-41705: Spring AI MilvusVectorStore Vulnerable to\u2026\n  \u2022 CVE-2026-42452 (8.1) \u2014 Termix CVE-2026-42452 Bypasses 2FA with Temporary JWT\n  \u2022 CVE-2026-6665 (8.1) \u2014 PgBouncer SCRAM Vulnerability (CVE-2026-6665) Allows Stack\u2026\n  \u2022 CVE-2026-42296 (8.1) \u2014 CVE-2026-42296: Argo Workflows Bypass Grants Host Network\u2026\n  \u2022 CVE-2026-41520 (7.9) \u2014 CVE-2026-41520: Cilium Bugtool Leaks Sensitive WireGuard\u2026\n  \u2022 CVE-2026-42301 (7.8) \u2014 CVE-2026-42301: Malicious Code Execution Via pyp2spec RPM\u2026\n  \u2022 CVE-2026-42345 (7.7) \u2014 FastGPT Vulnerability: Cloud Metadata Bypass via URL\u2026\n  \u2026 and 6 more\n\n\ud83d\udcd6 View all vulnerabilities \u2192\n\n\ud83c\udfaf Need SIEM rules for these threats?\nGenerate detection rules for Splunk, Sentinel, QRadar & more \u2014 tailored per breach\nOpen /detect in Intel Bot \u2192\n\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\n\ud83c\udf10 @shimiscyberworld \u00b7 shimiscyberworld.com", "creation_timestamp": "2026-09-13T00:00:40.698779Z"}]}