{"vulnerability": "CVE-2026-12940", "sightings": [{"uuid": "bed18bd6-36df-4dfe-adf5-d8b4a557c262", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-12940", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mruz2zcjdt2z", "content": "CVE-2026-12940 - langflow oss\nIBM Langflow versions 1.0.0 to 1.10.1 are vulnerable to a serious security risk. An attacker can potentially execute code remotely on your system without needing a password. To\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#langflowoss #ibm #CVE #infosec", "creation_timestamp": "2026-07-30T17:54:04.619861Z"}, {"uuid": "ef88fc9b-fe55-4fd4-b4e2-2fd79a0e2245", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-12940", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mruzhq4nk622", "content": "\ud83d\udd34 CVE-2026-12940 - Critical (9.8)\n\nIBM Langflow OSS 1.0.0 through 1.10.1\u00a0 are vulnerable to unauthenticated remote code execution v...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-12940/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-07-30T18:01:11.842315Z"}, {"uuid": "685c07a8-faf7-41d0-afdc-8c7edc9c6291", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-12940", "type": "seen", "source": "Telegram/j-DMWk1jylS6oTK3WkqNWOGjNQLp4_I9IFyoV0ikHsL-Sj8", "content": "", "creation_timestamp": "2026-08-03T10:01:39.974138Z"}, {"uuid": "36f3d51c-db5c-490f-9b79-48cff51cd00f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-12940", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/daufi6nf76bve", "content": "CVE-2026-12940 - Langflow is affected by remote code execution due to multiple unauthenticated and insufficiently authorized API endpoints\nCVE ID : CVE-2026-12940\n \n Published : July 30, 2026, 5:16 p.m. | 1\u00a0hour, 21\u00a0minutes ago\n \n Description : IBM Langflow OSS 1.0.0 through 1...", "creation_timestamp": "2026-07-30T18:50:13.274589Z"}, {"uuid": "b117e1bd-7a91-42ce-a94c-2e4d59406978", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-12940", "type": "seen", "source": "https://t.me/GithubRedTeam/96371", "content": "\ud83d\udea8 GitHub \u76d1\u63a7\u6d88\u606f\u63d0\u9192\n\n\ud83d\udea8 \u53d1\u73b0\u5173\u952e\u8bcd\uff1a #RCE #CVE #POC\n\n\ud83d\udce6 \u9879\u76ee\u540d\u79f0\uff1a CVE-2026-12940-Langflow-Unauth-RCE\n\ud83d\udc64 \u9879\u76ee\u4f5c\u8005\uff1a BiiTts\n\ud83d\udee0 \u5f00\u53d1\u8bed\u8a00\uff1a Python\n\u2b50 Star\u6570\u91cf\uff1a 0  |  \ud83c\udf74 Fork\u6570\u91cf\uff1a 0\n\ud83d\udcc5 \u66f4\u65b0\u65f6\u95f4\uff1a 2026-08-03 03:15:24\n\n\ud83d\udcdd \u9879\u76ee\u63cf\u8ff0\uff1a\nCVE-2026-12940 \u2014 Langflow OSS <=1.10.1 unauthenticated RCE via MCP stdio environment-variable injection (SHELLOPTS/PS4). Author PoC + source analysis + lab.\n\n\ud83d\udd17 \u70b9\u51fb\u8bbf\u95ee\u9879\u76ee\u5730\u5740", "creation_timestamp": "2026-08-03T05:00:03.147207Z"}, {"uuid": "fa569aa2-9d9f-4c3e-953e-0ec3682eea1f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-12940", "type": "seen", "source": "Telegram/snqalfjRGyeCByylJf6ek_8lwbWnhtUi9PGLk9MnmWsBvV0", "content": "", "creation_timestamp": "2026-08-03T08:00:03.415011Z"}, {"uuid": "9f0b45aa-eff0-47a9-80bd-43af1f84cefa", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-12940", "type": "published-proof-of-concept", "source": "Telegram/j-DMWk1jylS6oTK3WkqNWOGjNQLp4_I9IFyoV0ikHsL-Sj8", "content": "", "creation_timestamp": "2026-08-04T00:00:42.163129Z"}, {"uuid": "eb84bf56-b211-4c23-9bb4-dffdaaaff5f8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-12940", "type": "published-proof-of-concept", "source": "Telegram/snqalfjRGyeCByylJf6ek_8lwbWnhtUi9PGLk9MnmWsBvV0", "content": "", "creation_timestamp": "2026-08-04T00:00:43.971301Z"}, {"uuid": "d7d7843d-d2df-4243-bb12-ae2b23b2020d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-12940", "type": "published-proof-of-concept", "source": "https://t.me/GithubRedTeam/96371", "content": "\ud83d\udea8 GitHub \u76d1\u63a7\u6d88\u606f\u63d0\u9192\n\n\ud83d\udea8 \u53d1\u73b0\u5173\u952e\u8bcd\uff1a #RCE #CVE #POC\n\n\ud83d\udce6 \u9879\u76ee\u540d\u79f0\uff1a CVE-2026-12940-Langflow-Unauth-RCE\n\ud83d\udc64 \u9879\u76ee\u4f5c\u8005\uff1a BiiTts\n\ud83d\udee0 \u5f00\u53d1\u8bed\u8a00\uff1a Python\n\u2b50 Star\u6570\u91cf\uff1a 0  |  \ud83c\udf74 Fork\u6570\u91cf\uff1a 0\n\ud83d\udcc5 \u66f4\u65b0\u65f6\u95f4\uff1a 2026-08-03 03:15:24\n\n\ud83d\udcdd \u9879\u76ee\u63cf\u8ff0\uff1a\nCVE-2026-12940 \u2014 Langflow OSS <=1.10.1 unauthenticated RCE via MCP stdio environment-variable injection (SHELLOPTS/PS4). Author PoC + source analysis + lab.\n\n\ud83d\udd17 \u70b9\u51fb\u8bbf\u95ee\u9879\u76ee\u5730\u5740", "creation_timestamp": "2026-08-04T00:00:48.550871Z"}, {"uuid": "bc081f84-cfb2-4e6c-b9da-f3286740eb39", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-12940", "type": "seen", "source": "https://bsky.app/profile/cyberhub.blog/post/3mscpdgst3z2n", "content": "\ud83d\udccc CVE-2026-12940 - IBM Langflow OSS 1.0.0 through 1.10.1\u00a0 are vulnerable to unauthenticated remote code execution via environment variable injection in the MCP (Model Co... https://www.cyberhub.blog/cves/CVE-2026-12940", "creation_timestamp": "2026-08-05T04:37:06.620340Z"}]}