EUVD-2026-35343
GHSA-7m2p-62gw-p8qq
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Lifecycle Timeline
2DescriptionNVD
Due to incorrect host parsing, applications that rely on UriComponentsBuilder to parse and validate an externally provided URL string may be exposed to a server-side request forgery (SSRF) attack.
Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18.
AnalysisAI
Server-side request forgery (SSRF) in Spring Framework's UriComponentsBuilder affects applications that use this API to parse and validate externally supplied URL strings. Incorrect host parsing allows a remote, unauthenticated attacker - with user interaction - to cause the application server to issue requests to unintended internal or external destinations, exposing low-level confidentiality and integrity impacts. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the target application explicitly uses UriComponentsBuilder to parse a URL string that is fully or partially controlled by an external party - this is the precise condition described in the advisory. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 4.2 (Medium) is calibrated by several mitigating vector components. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker submits a crafted URL containing a malformed or ambiguously encoded host component to an application endpoint that passes the value to UriComponentsBuilder for parsing and validation. The incorrect host parsing causes the application's URL allowlist check to succeed against an unintended host representation; the application then issues a server-side HTTP request to an internal resource (e.g., a cloud provider metadata service or an internal API) that the attacker cannot reach directly. … |
| Remediation | Patch available per vendor advisory at https://spring.io/security/cve-2026-41854; the exact fixed version number is not confirmed from the data available at time of analysis - consult the Spring security advisory directly to identify the patched release for your branch (6.2.x or 7.0.x). … Detailed patch versions, workarounds, and compensating controls in full report. |
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