How severe is CVE-2024-9277?

CVE-2024-9277 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2024-9277 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-9277?

CVE-2024-9277 affects Langflow. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-9277?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-9277 have an EU (EUVD) identifier?

Yes. CVE-2024-9277 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2701.

When was CVE-2024-9277 published?

CVE-2024-9277 was published on 2024-09-27 and last updated on 2026-06-17.

CVE-2024-9277

CVE-2024-9277 is a low-severity vulnerability in Langflow with a CVSS 3.x base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1333.

Key facts

Severity: Low (CVSS 3.x base score 3.5)
CVSS v2: 2.3
CVSS v4: 5.1
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2701
Weakness: CWE-1333
Affected product: Langflow
Published: 2024-09-27
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2024-9277?: 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.
How severe is CVE-2024-9277?: CVE-2024-9277 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2024-9277 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-9277?: CVE-2024-9277 affects Langflow. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-9277?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-9277 have an EU (EUVD) identifier?: Yes. CVE-2024-9277 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2701.
When was CVE-2024-9277 published?: CVE-2024-9277 was published on 2024-09-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*

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