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CVE-2026-41863

LLM-influenced filename used unsanitized in Path.resolve before file write in Spring AI support for Anthropic Skills API

MEDIUM
6.5
CVSS Score
Published: May 25, 2026 at 05:45 AM UTC
Updated: July 23, 2026 at 07:32 PM UTC
2 products affected across 2 vendorsSpring AISpring AI

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Spring AI· VMware
95%
1.1.0 ≤ v < 1.1.7
Affected range stops below 1.1.7, so it looks safe — our inference, not a vendor statement
Spring AI· Spring
60%
1.1.0 ≤ v ≤ 1.1.x1.1.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://spring.io/security/cve-2026-41863

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMvmware
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-22

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