CVE-2026-63043 Vulnerability Analysis & Exploit Details

CVE-2026-63043
Vulnerability Scoring

7.5

/10

Very High Risk

Highly exploitable, CVE-2026-63043 poses a critical security risk that could lead to severe breaches.

Attack Complexity Details

Attack Complexity: Low
Exploits can be performed without significant complexity or special conditions.
Attack Vector: Network
Vulnerability is exploitable over a network without physical access.
Privileges Required: None
No privileges are required for exploitation.
Scope: Unchanged
Exploit remains within the originally vulnerable component.
User Interaction: None
No user interaction is necessary for exploitation.

CVE-2026-63043 Details

Status: Analyzed

Last updated: 🕛 27 Aug 2026, 00:02 UTC
Originally published on: 🕓 20 Aug 2026, 16:17 UTC

Time between publication and last update: 6 days

CVSS Release: version 3

CVSS3 Source

134c704f-9b21-4f2e-91b3-4a467353bcc0

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVE-2026-63043 Vulnerability Summary

CVE-2026-63043: Relative Path Traversal vulnerability in Apache InLong. Arbitrary file read from the Agent host filesystem. This issue affects Apache InLong: from 2.0.0 before 2.4.0. Users are advised to upgrade to Apache InLong's 2.4.0 or cherry-pick [1] to solve it. [1] https://github.com/apache/inlong/pull/12146 .

Assessing the Risk of CVE-2026-63043

Access Complexity Graph

The exploitability of CVE-2026-63043 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-63043

With low attack complexity and no required privileges, CVE-2026-63043 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-63043, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-63043, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

Confidentiality: High
Exploiting CVE-2026-63043 can result in unauthorized access to sensitive data, severely compromising data privacy.
Integrity: None
CVE-2026-63043 poses no threat to data integrity.
Availability: None
CVE-2026-63043 does not impact system availability.

CVE-2026-63043 References

External References

CWE Common Weakness Enumeration

CWE-23

CAPEC Common Attack Pattern Enumeration and Classification

Relative Path Traversal CAPEC-139 An attacker exploits a weakness in input validation on the target by supplying a specially constructed path utilizing dot and slash characters for the purpose of obtaining access to arbitrary files or resources. An attacker modifies a known path on the target in order to reach material that is not available through intended channels. These attacks normally involve adding additional path separators (/ or \) and/or dots (.), or encodings thereof, in various combinations in order to reach parent directories or entirely separate trees of the target's directory structure.
Manipulating Web Input to File System Calls CAPEC-76 An attacker manipulates inputs to the target software which the target software passes to file system calls in the OS. The goal is to gain access to, and perhaps modify, areas of the file system that the target software did not intend to be accessible.

Vulnerable Configurations

cpe:2.3:a:apache:inlong:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:inlong:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:inlong:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:inlong:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:inlong:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:inlong:2.2.0:*:*:*:*:*:*:*

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