{"vulnerability": "CVE-2026-42556", "sightings": [{"uuid": "149ad836-05de-4629-954e-a5628480a042", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42556", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mleultxumj2z", "content": "\ud83d\udfe0 CVE-2026-42556 - High (8.9)\n\nPostiz is an AI social media scheduling tool. From version 2.21.6 to before version 2.21.7, any a...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-42556/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-05-08T23:20:15.909992Z"}, {"uuid": "ca2d1c28-b775-4f7b-a2f2-dd990536b1e8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42556", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mlf3rb64qt2e", "content": "CVE-2026-42556 - Postiz stored XSS in public preview page\nCVE ID : CVE-2026-42556\n \n Published : May 8, 2026, 11:16 p.m. | 1\u00a0hour, 4\u00a0minutes ago\n \n Description : Postiz is an AI social media scheduling tool. From version 2.21.6 to before version 2.21.7, any authenticated user ...", "creation_timestamp": "2026-05-09T01:28:33.040247Z"}, {"uuid": "37f54b1b-6419-4383-9752-a5f7d36e30c2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42556", "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": "2026-09-12T10:00:10.934782Z"}, {"uuid": "75fbd55b-843b-4a3c-b21f-8144b077bbc9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42556", "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": "2026-09-13T00:00:40.976123Z"}]}