Sceawere

Vulnerability Detail

CVE-2026-85725 Verified Sceawere Triage Sources: NVD / CISA KEV

Vulnerability Metadata

Severity
Medium
Score / CVSS
5.9
Creation Date
2h ago
Vendor
HKUDS
Product
LightRAG
Attack Type
CWE-208: Observable Timing Discrepancy
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Complexity
HIGH

Narrative and Response

Description

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, verify_password in lightrag/api/passwords.py compares plaintext AUTH_ACCOUNTS password values with Python's == operator. The comparison can return after the first mismatching byte, creating response-time differences based on password length and matching prefixes. A network attacker with sufficiently low-latency access can repeatedly query the /login endpoint and use the timing oracle to recover a plaintext-configured password character by character. Deployments using bcrypt-prefixed password values are not affected by this comparison path. This issue is fixed in version 1.5.5.

Executive Summary

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Technical Details

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Mitigations

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References

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Additional Metadata

{
  "score": "5.9",
  "pubDate": "2026-09-22T17:17:27.203Z",
  "pubdate": "2026-09-22T17:17:27.203Z"
}