# CVE-2026-51895

> As of 2026-10-02, CVE-2026-51895 is a MEDIUM-severity vulnerability, CVSS v3.1 6.5, EPSS 0.1% (6.9th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-51895 as of 2026-10-02; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-10-02

## What is CVE-2026-51895?

Ragflow 0.24.0 and prior contains improper access control in update_metadata_setting (api/apps/kb_app.py). Depending on the exposed entry, an attacker can perform unauthorized cross-session or privilege-crossing operations.

The record classifies CVE-2026-51895 under weakness class [CWE-284](https://intel.threadlinqs.com/cwe/CWE-284). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on integrity. The identifier was first published 4 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 6.5 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N`)
- **EPSS (FIRST):** 0.1% probability of exploitation in the next 30 days, higher than 6.9% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3.5/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-10-01, last modified 2026-10-02

## Is CVE-2026-51895 being exploited?

It currently carries a trending score of 31 in the Threadlinqs vulnerability feed.

## Affected products and versions

No affected-product or package list has been recorded for CVE-2026-51895 in the tracked sources. The vendor advisory and the references below are the authoritative statement of what is affected.

## How to fix CVE-2026-51895

No vendor patch reference has been recorded for CVE-2026-51895 in the tracked sources. Follow the references below for a fix, and treat any affected deployment as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-51895

No threat campaign in the Threadlinqs corpus currently references CVE-2026-51895, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, NVD, FIRST EPSS. Last verified by Threadlinqs on 2026-10-04. This product uses the NVD API but is not endorsed or certified by the NVD.

**Other references**

- [github.com](https://github.com/infiniflow/ragflow/issues/15268)
- [gist.github.com](https://gist.github.com/Ro1ME/0d1fbed64fa0d73d159a195a827cdb93)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-51895
Full detection coverage and IOCs for threats exploiting CVE-2026-51895 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp