Medium severity · published May 25, 2026
CVE-2026-41863
LLM-influenced filename used unsanitized in Path.resolve before file write in Spring AI support for Anthropic Skills API
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
Spring AI's support for Anthropic's Skills API used LLM-influenced filenames unsanitized in Path.resolve before writing files to disk. This could allow a malicious user to write files outside the intended target directory, including restricted directories.
Affected versions:
Spring AI: 1.1.0 through 1.1.x
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SA
Spring AI · Spring
1.1.0 through 1.1.x · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-41863
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-41863
Vendor Advisory
https://spring.io/security/cve-2026-41863
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