GCD AI RADAR
incidents/AIR-2026-0442

CVE-2026-23835: LobeHub improper authorization in presigned upload

Attack on AI2 Disclosed vulnerabilityInfrastructure vulnerability

LobeHub lacks proper validation on file upload requests within its knowledge base feature, allowing users to write files to unintended paths. Attackers can also manipulate request parameters to misrepresent file usage and size quotas.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

Details

type
Attack on AI
An AI model, agent or AI-powered product was the thing exploited, abused or leaked.
categories
  • Infrastructure vulnerability
    CVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
owasp llm top 10
mitre atlas
no technique for these categories
Both rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
severity
2 · Disclosed vulnerability
CVE or vendor advisory, patched or patchable, no confirmed exploitation.
targets
Framework / tooling
products
LobeHub, LobeChat
incident date
1 Feb 2026
first reported
1 Feb 2026
origin
GitHub Advisory Database
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
classifier confidence
0.90 · published at or above 0.80; see the methodology
tags
CVE-2026-23835 · authorization
record
created 2026-10-18 07:00Z · updated 2026-10-18 07:00Z · json

Sources · 1

  1. 2026-02-01
    CVE-2026-23835: LobeHub Vulnerable to Improper Authorization in Presigned Upload
    GitHub Advisory Database · github.com/advisories/GHSA-wrrr-8jcv-wjf5

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