CVE-2026-13442
CVE-2026-13442 is a high-severity vulnerability in Langflow with a CVSS 3.x base score of 7.1. 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-520.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- EPSS exploit prediction: 0% (7th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-520
- Affected product: Langflow
- Published:
- Last modified:
Description
IBM Langflow OSS 1.0.0 through 1.10.1 can allow an attacker to reuse another user's FAISS namespace to access owner-only vector content and influence later query results. This causes cross-user information disclosure and limited integrity impact through persistent poisoning of returned results.
Frequently asked questions
- What is CVE-2026-13442?
- IBM Langflow OSS 1.0.0 through 1.10.1 can allow an attacker to reuse another user's FAISS namespace to access owner-only vector content and influence later query results. This causes cross-user information disclosure and limited integrity impact through persistent poisoning of returned results.
- How severe is CVE-2026-13442?
- CVE-2026-13442 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
- Is CVE-2026-13442 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-13442?
- CVE-2026-13442 affects Langflow. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-13442?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2026-13442 published?
- CVE-2026-13442 was published on 2026-07-28 and last updated on 2026-08-04.
References
Affected products (1)
- cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*
More vulnerabilities in Langflow
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- CVE-2026-13435 — Critical (CVSS 9.9): IBM Langflow OSS 1.0.0 through 1.10.1 contains an improper input validation vulnerability in the PythonREPL sandbox…
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