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CVE-2026-17459

perwendel spark SparkJava ExternalResourceHandler.jav staticFiles.externalLocation symlink

Published: Jul 26, 2026Updated: Jul 27, 2026 Sources: CVE List NVDCWE-59
4.3MEDIUM
NVD MITRE
EPSS Score
0.3%
Top 75.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

A vulnerability was determined in perwendel spark up to 2.9.4. This vulnerability affects the function staticFiles.externalLocation of the file src/main/java/spark/resource/ExternalResourceHandler.jav of the component SparkJava. Executing a manipulation can lead to symlink following. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-59CWE-61

Affected Products

perwendel
spark

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://github.com/perwendel/spark/
github.com
https://github.com/perwendel/spark/issues/1296
github.com
https://vuldb.com/cve/CVE-2026-17459
vuldb.com
and 3 more references View all →

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