CVE-2026-13482
Received Received - Intake

Weak Hash in SkyPilot User ID Handler

Vulnerability report for CVE-2026-13482, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-06-28

Last updated on: 2026-06-28

Assigner: VulDB

Description

A vulnerability was detected in skypilot-org skypilot up to 0.12.0. Impacted is the function username.encode of the file sky/users/server.py of the component User ID Handler. The manipulation results in use of weak hash. The attack may be performed from remote. This attack is characterized by high complexity. The exploitability is considered difficult. The exploit is now public and may be used. The vendor was contacted early about this disclosure.

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Meta Information

Published
2026-06-28
Last Modified
2026-06-28
Generated
2026-06-28
AI Q&A
2026-06-28
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
skypilot-org skypilot to 0.12.0 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-327 The product uses a broken or risky cryptographic algorithm or protocol.
CWE-328 The product uses an algorithm that produces a digest (output value) that does not meet security expectations for a hash function that allows an adversary to reasonably determine the original input (preimage attack), find another input that can produce the same hash (2nd preimage attack), or find multiple inputs that evaluate to the same hash (birthday attack).

Attack-Flow Graph

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Executive Summary

This vulnerability exists in the SkyPilot project, specifically in the function username.encode within the file sky/users/server.py of the User ID Handler component. The issue involves the use of a weak hash algorithm, which can be manipulated remotely. Exploiting this vulnerability is considered difficult due to its high complexity, but a public exploit is available.

Impact Analysis

The vulnerability allows an attacker to exploit the use of a weak hash in the username encoding process remotely. Although the exploitability is difficult, if successfully exploited, it could lead to integrity issues within the system, potentially allowing unauthorized manipulation related to user identification. However, the impact is limited as the confidentiality and availability are not affected.

Compliance Impact

The provided information does not specify any direct impact of this vulnerability on compliance with common standards and regulations such as GDPR or HIPAA.

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