CVE-2018-14335

MEDIUM

H2 <1.4.197 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-14335. PoCs published by owodelta.

AI-analyzed exploit summary This exploit leverages insecure permission handling in H2 Database's backup function to read sensitive files via a symlink attack. It creates a symlink to a target file, triggers a backup operation to include the symlinked file, and retrieves the file contents in a zip archive.

Description

An issue was discovered in H2 1.4.197. Insecure handling of permissions in the backup function allows attackers to read sensitive files (outside of their permissions) via a symlink to a fake database file.

Exploits (1)

exploitdb WORKING POC
by owodelta · pythonwebappslinux
https://www.exploit-db.com/exploits/45105

This exploit leverages insecure permission handling in H2 Database's backup function to read sensitive files via a symlink attack. It creates a symlink to a target file, triggers a backup operation to include the symlinked file, and retrieves the file contents in a zip archive.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: H2 Database all versions (tested on 1.4.197)
No auth needed
Prerequisites: writable directory on the target system · ability to create symlinks · network access to the H2 Database web interface
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5

Scores

CVSS v3 6.5
EPSS 0.1339
EPSS Percentile 95.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-276 CWE-59
Status published
Products (1)
h2database/h2 1.4.197
Published Jul 24, 2018
Tracked Since Feb 18, 2026