What is the CVSS score of CVE-2025-65798?

CVE-2025-65798 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Is there a public PoC exploit available for CVE-2025-65798?

Yes, a public proof-of-concept exploit is available for CVE-2025-65798. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-65798?

Within 30 days: Identify affected systems running usememos memos and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Memos CVE-2025-65798

EUVD-2025-201726 MEDIUM

Improper Access Control (CWE-284)

2025-12-08 cve@mitre.org

GHSA-8p44-g572-557h

Authentication Bypass Memos Usememos

5.4

CVSS 3.1 · Vendor: mitre

View

Vulnerability Assessment

Weakness	CWE CWE-284 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V8 - Authorization Access control enforcement MITRE ATT&CK 1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 5.4 (MEDIUM).

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.0% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAIv1 – Mar 15, 2026

Incorrect access control in usememos memos v0.25.2 allows attackers with low-level privileges to arbitrarily modify or delete attachments made by other users.

Earlier versions of this analysis (1)

v1 Mar 15, 2026 - 17:54 CVSS 5.4

RemediationAI

A vendor patch is available. Apply it as soon as possible and verify the fix.

Affected VersionsENISA

n/a n/a

Affected Packages

go github.com/usememos/memos fix: 0.25.3

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in go

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Improper Access Control (CWE-284).

Know when Memos gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

Vendor (mitre) PRIMARY 5.4 MEDIUM

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

SUSE MEDIUM

Primary rating from Vendor (mitre).

CVSS VectorVendor: mitre

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Patch released

Mar 15, 2026 - 17:54 nvd

Patch available

PoC Detected

Dec 09, 2025 - 17:28 vuln.today

Public exploit code

CVE Published

Dec 08, 2025 - 16:15 nvd

MEDIUM 5.4

Executive ViewAI

Why It Matters

Organizations using usememos memos should be aware of moderate risk from CVE-2025-65798, a improper access control vulnerability rated CVSS 5.4. Exploitation could compromise the security of affected deployments. Proof-of-concept code is publicly available. A patch is available and should be applied during regular vulnerability management.

Business Impact: Low

Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score

0.0%

Top 89% exploitable

Exploit

POC

Public exploit code exists

Data Quality

6 sources

Confidence: High

EUVD

NVD

CVE.org

EPSS Vendor

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC Yes

EPSS 0.0%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

Poc

System Exposure· derived

Open

Automatable· derived

Human Impact

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +27

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

More in Memos

View all

CVE-2025-22952 CRITICAL Act Now POC

9.8 Feb 27

elestio memos v0.23.0 is vulnerable to Server-Side Request Forgery (SSRF) due to insufficient validation of user-supplie

CVE-2022-4686 CRITICAL Act Now POC

9.8 Dec 23

Authorization Bypass Through User-Controlled Key in GitHub repository usememos/memos prior to 0.9.0. Rated critical seve

CVE-2022-4866 CRITICAL Act Now POC

9.0 Dec 31

Cross-site Scripting (XSS) - Stored in GitHub repository usememos/memos prior to 0.9.1. Rated critical severity (CVSS 9.

CVE-2022-4865 CRITICAL Act Now POC

9.0 Dec 31

Cross-site Scripting (XSS) - Stored in GitHub repository usememos/memos prior to 0.9.1. Rated critical severity (CVSS 9.

CVE-2023-5036 HIGH This Week POC

8.8 Sep 18

Cross-Site Request Forgery (CSRF) in GitHub repository usememos/memos prior to 0.15.1. Rated high severity (CVSS 8.8), t

CVE-2023-4697 HIGH This Week POC

8.8 Sep 01

Improper Privilege Management in GitHub repository usememos/memos prior to 0.13.2. Rated high severity (CVSS 8.8), this

CVE-2022-4844 HIGH This Week POC

8.8 Dec 29

Cross-Site Request Forgery (CSRF) in GitHub repository usememos/memos prior to 0.9.1. Rated high severity (CVSS 8.8), th

CVE-2022-4809 HIGH This Week POC

8.8 Dec 28

Improper Access Control in GitHub repository usememos/memos prior to 0.9.1. Rated high severity (CVSS 8.8), this vulnera

CVE-2022-4808 HIGH This Week POC

8.8 Dec 28

Improper Privilege Management in GitHub repository usememos/memos prior to 0.9.1. Rated high severity (CVSS 8.8), this v

CVE-2022-4803 HIGH This Week POC

8.8 Dec 28

Authorization Bypass Through User-Controlled Key in GitHub repository usememos/memos prior to 0.9.1. Rated high severity

CVE-2022-4689 HIGH This Week POC

8.8 Dec 23

Improper Access Control in GitHub repository usememos/memos prior to 0.9.0. Rated high severity (CVSS 8.8), this vulnera

CVE-2022-4688 HIGH This Week POC

8.8 Dec 23

Improper Authorization in GitHub repository usememos/memos prior to 0.9.0. Rated high severity (CVSS 8.8), this vulnerab

Same weakness CWE-284 – Improper Access Control

View all

CVE-2015-3306 CRITICAL POC

10.0

CVE-2012-4681 CRITICAL POC

9.8

CVE-2011-3544 CRITICAL POC

9.8

CVE-2012-1723 CRITICAL POC

9.8

CVE-2012-5076 CRITICAL POC

9.8

CVE-2014-3120 HIGH POC

8.1

CVE-2013-2423 LOW POC

3.7

CVE-2016-3427 CRITICAL

9.8

Same technique Authentication Bypass

View all

CVE-2023-22515 CRITICAL POC

9.8

CVE-2013-2465 CRITICAL POC

9.8

CVE-2022-40684 CRITICAL POC

9.8

CVE-2025-61882 CRITICAL POC

9.8

CVE-2024-0012 CRITICAL POC

9.3

Vendor StatusVendor

SUSE

Severity: Medium

References

Advisories & patches

PATCH https://github.com/usememos/memos/pull/5217 ADVISORY https://github.com/advisories/GHSA-8p44-g572-557h ADVISORY https://github.com/usememos/memos/commit/769dcd0cf9be83d472829f6e7903b201e42f6b3c ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-65798 REF http://memos.com REF http://usememos.com

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back