{"vulnerability": "cve-2026-4285", "sightings": [{"uuid": "2f28704a-be55-48a1-a123-a1628d7c8090", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42858", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mllv5f5zlk2c", "content": "\ud83d\udfe0 CVE-2026-42858 - High (8.5)\n\nOpen edX Platform enables the authoring and delivery of online learning at any scale. The sync_pr...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-42858/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-05-11T18:18:42.151460Z"}, {"uuid": "0bee0e71-2e21-49e2-9905-4e46f1a02f13", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42858", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mllv5f5zlk2c", "content": "\ud83d\udfe0 CVE-2026-42858 - High (8.5)\n\nOpen edX Platform enables the authoring and delivery of online learning at any scale. The sync_pr...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-42858/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-05-11T18:18:42.233003Z"}, {"uuid": "44d91974-7ac2-449f-b12f-fbdb62fe013f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-42854", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mlpcre43d72l", "content": "CRITICAL stack buffer overflow found in arduino-esp32 (&lt;3.3.8) \u2014 attackers can trigger device crash or RCE via HTTP multipart boundary. Upgrade to 3.3.8 now. https://radar.offseq.com/threat/cve-2026-42854-cwe-121-stack-based-buffer-overflow-caa5555e #OffSeq #IoTSecurity #CVE202642854", "creation_timestamp": "2026-05-13T03:00:30.504482Z"}, {"uuid": "dc607c03-39bf-4114-a911-379dec265df1", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-42854", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/116565031474718182", "content": "\ud83d\udd25 CRITICAL: CVE-2026-42854 in arduino-esp32 (&lt;3.3.8) enables stack buffer overflow via HTTP multipart boundary \u2014 can crash device or allow RCE. Patch ASAP by upgrading to 3.3.8! https://radar.offseq.com/threat/cve-2026-42854-cwe-121-stack-based-buffer-overflow-caa5555e #OffSeq #CVE202642854 #IoTSecurity #Espressif", "creation_timestamp": "2026-05-13T03:00:46.708605Z"}, {"uuid": "3b24aea0-0557-4959-96c4-0a503f44e9e6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42854", "type": "seen", "source": "https://bsky.app/profile/cyberhub.blog/post/3mmgeqogqkp25", "content": "\ud83d\udccc CVE-2026-42854 - arduino-esp32 is an Arduino core for the ESP32, ESP32-S2, ESP32-S3, ESP32-C3, ESP32-C6 and ESP32-H2 microcontrollers. Prior to 3.3.8, the WebServer mu... https://www.cyberhub.blog/cves/CVE-2026-42854", "creation_timestamp": "2026-05-22T07:07:08.709118Z"}, {"uuid": "67ce14eb-4cb2-42e8-9f15-79c2bed85b71", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-42853", "type": "published-proof-of-concept", "source": "https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-hcwq-x9fw-8cfq", "content": "", "creation_timestamp": "2026-05-13T19:29:14.000000Z"}, {"uuid": "56edaed5-d4a4-4470-9878-391c22250dea", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-42856", "type": "published-proof-of-concept", "source": "https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-fj4g-2p96-q6m3", "content": "", "creation_timestamp": "2026-04-24T14:05:57.000000Z"}]}