---
title: "CVE-2026-115478: obsidian-tc - Broken Access Control"
description: "obsidian-tc 1.0.1 to 1.31.4 contains an inconsistent note ownership and memory regeneration flaw caused by improper handling of SQLite and filesystem operations in entity lifecycle methods, letting authorized users with memory-tool permissions overwrite or corrupt vault notes, exploit requires memory-tool permissions."
url: https://panop.io/threat-heartbeat/CVE-2026-115478/
---

# CVE-2026-115478 obsidian-tc - Broken Access Control

obsidian-tc 1.0.1 to 1.31.4 contains an inconsistent note ownership and memory regeneration flaw caused by improper handling of SQLite and filesystem operations in entity lifecycle methods, letting authorized users with memory-tool permissions overwrite or corrupt vault notes, exploit requires memory-tool permissions.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.45% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-115478)

## Details

Type

Broken Access Control

Impact

Data Tampering

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

23 October 2026

Updated

25 October 2026

Weakness

[CWE-459](https://cwe.mitre.org/data/definitions/459.html)

## Vendor fix

Update to version 1.31.4 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-115478](https://nvd.nist.gov/vuln/detail/CVE-2026-115478)
- [https://github.com/The-40-Thieves/obsidian-tc/security/advisories/GHSA-r3g7-r4hr-m258](https://github.com/The-40-Thieves/obsidian-tc/security/advisories/GHSA-r3g7-r4hr-m258)
- [https://github.com/The-40-Thieves/obsidian-tc/blob/v1.31.4/CHANGELOG.md](https://github.com/The-40-Thieves/obsidian-tc/blob/v1.31.4/CHANGELOG.md)
- [https://github.com/The-40-Thieves/obsidian-tc/commit/99f7914ca0fbeed92e7c4d39cc8c3e5830dab133](https://github.com/The-40-Thieves/obsidian-tc/commit/99f7914ca0fbeed92e7c4d39cc8c3e5830dab133)
- [https://github.com/The-40-Thieves/obsidian-tc/pull/978](https://github.com/The-40-Thieves/obsidian-tc/pull/978)
- [https://github.com/The-40-Thieves/obsidian-tc/releases/tag/v1.31.4](https://github.com/The-40-Thieves/obsidian-tc/releases/tag/v1.31.4)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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