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Vulnerability record · CVE-2026-58499 · published 10 July 2026

CVE-2026-58499: Path traversal vulnerability

EverOS is a memory runtime for agents. Prior to 1.0.1, EverOS is vulnerable to path traversal in the POST /api/v1/memory/add ingestion endpoint because the per-message sender_id field was not validated as a path-safe identifier, unlike app_id and project_id. During user-memory extraction, sender_id is used as owner_id and joined into the filesystem path where the extracted episode is persisted as a Markdown file, so a sender_id containing ../ sequences could direct writes outside the configured memory root and allow an unauthenticated caller to create or overwrite .md files at locations writable by the server process with partially attacker-influenced content. This issue is fixed in version 1.0.1.

8.2 CVSS 3.1 High EPSS 0.54% · top 57.1% CWE-22 · Path traversal Deferred
8.2CVSS 3.1 base score
0.54%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
13 Jul 2026Last modified by NVD

Description

EverOS is a memory runtime for agents. Prior to 1.0.1, EverOS is vulnerable to path traversal in the POST /api/v1/memory/add ingestion endpoint because the per-message sender_id field was not validated as a path-safe identifier, unlike app_id and project_id. During user-memory extraction, sender_id is used as owner_id and joined into the filesystem path where the extracted episode is persisted as a Markdown file, so a sender_id containing ../ sequences could direct writes outside the configured memory root and allow an unauthenticated caller to create or overwrite .md files at locations writable by the server process with partially attacker-influenced content. This issue is fixed in version 1.0.1.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

References

LinkTags
https://github.com/EverMind-AI/EverOS/commit/a10cdcd197747f371b7879a32c2cc3f77471e9c2
https://github.com/EverMind-AI/EverOS/releases/tag/v1.0.1
https://github.com/EverMind-AI/EverOS/security/advisories/GHSA-c795-2g9c-j48m

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Source: NIST National Vulnerability Database (record CVE-2026-58499), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.