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6.0
MEDIUM CVSS 3.1
CVE-2025-69820
Beam Directory Traversal Remote File Disclosure
Description

Directory Traversal vulnerability in Beam beta9 v.0.1.521 allows a remote attacker to obtain sensitive information via the joinCleanPath function.

INFO

Published Date :

Jan. 22, 2026, 4:16 p.m.

Last Modified :

Feb. 2, 2026, 8:33 p.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-69820 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Beam beta9
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update Beam to a version that addresses the Directory Traversal vulnerability in joinCleanPath.
  • Update Beam to the latest version.
  • Verify the joinCleanPath function is secured.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-69820.

URL Resource
https://github.com/aws/aws-sdk-php/security/advisories/GHSA-557v-xcg6-rm5m Not Applicable
https://github.com/beam-cloud/beta9/blob/c1cd75e813cf7d53e916157d920099e89ef45caa/pkg/abstractions/volume/multipart.go#L45 Product
https://github.com/ryotaromatsui/CVEs/tree/main/CVE-2025-69820 Exploit Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-69820 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-69820 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-69820 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-69820 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Feb. 02, 2026

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:beam:beta9:0.1.521:*:*:*:*:*:*:*
    Added Reference Type MITRE: https://github.com/aws/aws-sdk-php/security/advisories/GHSA-557v-xcg6-rm5m Types: Not Applicable
    Added Reference Type MITRE: https://github.com/beam-cloud/beta9/blob/c1cd75e813cf7d53e916157d920099e89ef45caa/pkg/abstractions/volume/multipart.go#L45 Types: Product
    Added Reference Type MITRE: https://github.com/ryotaromatsui/CVEs/tree/main/CVE-2025-69820 Types: Exploit, Third Party Advisory
  • CVE Modified by [email protected]

    Jan. 28, 2026

    Action Type Old Value New Value
    Changed Description Directory Traversal vulnerability in Beam beta9 v.0.1.552 allows a remote attacker to obtain sensitive information via the joinCleanPath function Directory Traversal vulnerability in Beam beta9 v.0.1.521 allows a remote attacker to obtain sensitive information via the joinCleanPath function.
  • CVE Modified by [email protected]

    Jan. 25, 2026

    Action Type Old Value New Value
    Added Reference https://github.com/beam-cloud/beta9/blob/c1cd75e813cf7d53e916157d920099e89ef45caa/pkg/abstractions/volume/multipart.go#L45
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jan. 22, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
    Added CWE CWE-22
  • New CVE Received by [email protected]

    Jan. 22, 2026

    Action Type Old Value New Value
    Added Description Directory Traversal vulnerability in Beam beta9 v.0.1.552 allows a remote attacker to obtain sensitive information via the joinCleanPath function
    Added Reference https://github.com/aws/aws-sdk-php/security/advisories/GHSA-557v-xcg6-rm5m
    Added Reference https://github.com/ryotaromatsui/CVEs/tree/main/CVE-2025-69820
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 6.0
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact