PYSEC-2026-1521
Inefficient Regular Expression Complexity in langflow
At a glance
- Published
- Updated
- CVE
- CVE-2024-9277
- Aliases
- GHSA-355v-2rjx-fpx7
- CVSS_V3
- CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- CVSS_V4
- 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
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.
Affected packages
| Package | Versions |
|---|---|
| PyPI · langflow | introduced 0, last affected 1.0.18 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2024-9277 ADVISORY
- https://github.com/langflow-ai/langflow PACKAGE
- https://github.com/langflow-ai/langflow/blob/main/src/backend/base/langflow/interface/utils.py#L65 WEB
- https://rumbling-slice-eb0.notion.site/Remote-Redos-in-https-github-com-langflow-ai-langflow-067159ced0d5494e91b06071384969c4?pvs=4 WEB
- https://vuldb.com/?ctiid.278659 WEB
- https://vuldb.com/?id.278659 WEB
- https://vuldb.com/?submit.410043 WEB
- https://pypi.org/project/langflow PACKAGE
- https://github.com/advisories/GHSA-355v-2rjx-fpx7 ADVISORY
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — PyPA Advisory Database |