{"cve":"CVE-2024-9277","nvd":{"published":"2024-09-27T11:15:14.400","modified":"2026-06-17T08:24:15.980","status":"Analyzed","description":"A vulnerability classified as problematic was found in Langflow up to 1.0.18. Affected by this vulnerability is an unknown functionality of the file \\src\\backend\\base\\langflow\\interface\\utils.py of the component HTTP POST Request Handler. The manipulation of the argument remaining_text leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.","cvss_v4":{"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":5.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-1333"],"references":["https://rumbling-slice-eb0.notion.site/Remote-Redos-in-https-github-com-langflow-ai-langflow-067159ced0d5494e91b06071384969c4?pvs=4","https://vuldb.com/?ctiid.278659","https://vuldb.com/?id.278659","https://vuldb.com/?submit.410043"],"products":["langflow:langflow"],"source":"nvd","synced_at":"2026-10-19T21:54:38.012257375+00:00"},"epss":{"cve":"CVE-2024-9277","score":0.00963,"percentile":0.61675,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-355v-2rjx-fpx7","url":"https://osv.dev/vulnerability/GHSA-355v-2rjx-fpx7","summary":"Inefficient Regular Expression Complexity in langflow","modified":"2026-07-07T17:56:44.156608684Z","packages":[{"ecosystem":"PyPI","name":"langflow","purl":"pkg:pypi/langflow","ranges":["<=1.0.18"],"fixed":[]}]},{"id":"PYSEC-2026-1521","url":"https://osv.dev/vulnerability/PYSEC-2026-1521","summary":"Inefficient Regular Expression Complexity in langflow","modified":"2026-07-07T17:46:48.094155474Z","packages":[{"ecosystem":"PyPI","name":"langflow","purl":"pkg:pypi/langflow","ranges":["<=1.0.18"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}