Vulnerability · Published Aug 8, 2026 · Assigned by VulDB

CVE-2026-19288astralisone rive-mcp-server-core importRiveFile Flow importRiveFile.ts path traversal

Medium 5.3

In plain English

A medium-severity path traversal in rive-mcp-server-core from astralisone. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.2%top 90.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability has been found in astralisone rive-mcp-server-core up to db1d0cc4cd52589116360428b7504fd0ca748b3e. This affects an unknown part of the file packages/mcp-server/src/tools/importRiveFile.ts of the component importRiveFile Flow. Such manipulation of the argument libraryId leads to path traversal. The attack needs to be performed locally. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The project was informed of the problem early through an issue report but has not responded yet.

Affected products (as reported)

Vendor	Product	Versions
astralisone	rive-mcp-server-core	db1d0cc4cd52589116360428b7504fd0ca748b3e

Weakness: CWE-22 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-387027 | astralisone rive-mcp-server-core importRiveFile Flow importRiveFile.ts path traversal vdb-entry, technical-description
VDB-387027 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-19288 | CVE Analysis and Report third-party-advisory
Submit #865239 | astralisone rive-mcp-server-core unknown Path Traversal third-party-advisory
https://github.com/astralisone/rive-mcp-server-core/issues/2 issue-tracking
https://github.com/astralisone/rive-mcp-server-core/ product