High severity · published Jul 30, 2026
CVE-2026-12945
Langflow is affected by exposed credentials due to multiple unauthenticated and insufficiently authorized API endpoints
7.1
CVSS
0.4%
EPSS
No
On KEV
Description
IBM Langflow OSS 1.0.0 through 1.10.1 allows authenticated users to access and manipulate other users' build jobs through improper access control on log retrieval and unauthenticated build endpoints.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LO
Langflow OSS · IBM
1.0.0 through 1.10.1 · source: vendor
LA
Langflow · Langflow
1.0.0 before 1.10.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-12945
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-12945
Vendor Advisory
https://www.ibm.com/support/pages/node/7279994
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CVE-2026-12946
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