# CVE-2026-18819 — RackTables

> As of 2026-08-05, CVE-2026-18819 is a MEDIUM-severity vulnerability in RackTables, CVSS v3.1 4.3, EPSS 0.1% (5.4th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-18819 as of 2026-08-05; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-08-05

## What is CVE-2026-18819?

A security vulnerability has been detected in RackTables up to 0.22.0/e5fff9f8aab339798ed47e8c6d7d977ed97a82bd. This vulnerability affects unknown code. The manipulation leads to cross-site request forgery. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The project maintainer confirms: "[I]t seems plausible, in that RackTables does not at this time have any CSRF prevention. You may assign a CVE ID to this, but there is no guarantee it will be handled in urgent, or even timely, manner, or at all."

The record classifies CVE-2026-18819 under weakness classes [CWE-352](https://intel.threadlinqs.com/cwe/CWE-352), [CWE-862](https://intel.threadlinqs.com/cwe/CWE-862). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 62 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 4.3 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:U/RC:R`)
- **CVSS v4.0 base score:** 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P`)
- **EPSS (FIRST):** 0.1% probability of exploitation in the next 30 days, higher than 5.4% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 2.4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-08-04, last modified 2026-08-05

## Is CVE-2026-18819 being exploited?

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

## Affected products and versions

- **(vendor unspecified)**: RackTables

## How to fix CVE-2026-18819

No vendor patch reference has been recorded for CVE-2026-18819 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-18819

No threat campaign in the Threadlinqs corpus currently references CVE-2026-18819, 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, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-08-06.

**Exploit and proof of concept**

- [github.com — exploit](https://github.com/fa1c4/security-advisories/tree/main/RackTables/PoC)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/385818/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-18819)
- [vuldb.com — third party advisory (857970)](https://vuldb.com/submit/857970)

**Vulnerability database entry**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/385818)

**Other references**

- [github.com — related](https://github.com/fa1c4/security-advisories/blob/main/RackTables/RackTables_CSRF_report.md)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-18819
Full detection coverage and IOCs for threats exploiting CVE-2026-18819 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp