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🛡️ CVE-2022-4796 — memos

🟠 CVSS 8.1 — High ✅ No Known Exploit CWE-648 NVD
8.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

usememos/memos makes Incorrect Use of Privileged APIs

In usememos/memos 0.9.0 and prior, a user with login permission can delete all notes of the whole application via API DELETE https://demo.usememos.com/api/memo/$idnote. The vulnerability will lose all user notes data throughout the system, causing damage to user data.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: Low — an ordinary user account is enough.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: None.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2022-4796 is classified as CWE-648: Incorrect Use of Privileged APIs. The product does not conform to the API requirements for a function call that requires extra privileges. This could allow attackers to gain privileges by causing the function to be called incorrectly.

Affected software

CVE-2022-4796 is recorded against 2 packages.

  • github.com/usememos/memos
  • memos (fixed in 0.9.1)

Timeline and source

Published on 28 December 2022 and last revised on 3 March 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)
huntr.dev (Web)

Other advisories for this package

github.com/usememos/memos has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-648: Incorrect Use of Privileged APIs) in other software:

Details

Severity HIGH
CVSS Score 8.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CWE CWE-648
Public Exploit ✅ No
Source NVD
Published 2022-12-28
Updated 2026-08-20
Modified 2026-03-03

Affected Packages

Software From version Fixed in
github.com/usememos/memos — —
memos — 0.9.1

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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