CVE-2026-81211
HIGHCVSS 8.8/10EPSS 0.34%
Last modified
CVE-2026-81211 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary Python code due to improper authorization of custom components in stored flows.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.
Description
IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary Python code due to improper authorization of custom components in stored flows.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Langflow | Langflow | >= 1.0.0, < 1.11.6 |
References
- https://www.ibm.com/support/pages/node/7286666Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-81211?
IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary Python code due to improper authorization of custom components in stored flows.
How severe is CVE-2026-81211?
CVE-2026-81211 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2026-81211?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-81203A vulnerability has been found in SourceCodester Simple Onli…7.3
- CVE-2026-81204IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote a…9.8
- CVE-2026-81205Improper Neutralization of Special Elements used in an LDAP …5.3
- CVE-2026-81207IBM DataStage on Cloud Pak for Data 5.4.0.0 allows any authe…8.5
- CVE-2026-8121A vulnerability has been found in Open5GS up to 2.7.7. The i…6.5
- CVE-2026-81210IBM DataStage on Cloud Pak for Data 5.4.0.0 concatenates thr…7.7
- CVE-2026-81213IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote a…8.6
- CVE-2026-8122A vulnerability was found in Open5GS up to 2.7.7. This affec…6.5
- CVE-2026-8123A vulnerability was determined in Open5GS up to 2.7.7. This …6.5
- CVE-2026-81235Dell Wyse Management Suite, versions prior to 2605.0.3.683, …8
- CVE-2026-81236Dell Wyse Management Suite, versions prior to 2605.0.3.683, …8.6
- CVE-2026-81237Dell Wyse Management Suite, versions prior to 2605.0.3.683, …6.5
Are you affected by CVE-2026-81211?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST