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Memos EUVDEUVD-2025-201721

| CVE-2025-65799 MEDIUM
External Control of File Name or Path (CWE-73)
2025-12-08 cve@mitre.org GHSA-qgjp-5g5x-vhq2
Path Traversal Memos Usememos
4.3
CVSS 3.1 · Vendor: mitre
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Vulnerability Assessment

Weakness
CWE
CWE-73
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V5 - File Handling File name/path control
Impact

Sensitive files such as configuration files, credentials, or system files can be read, potentially leading to further compromise. With a CVSS score of 4.3 (MEDIUM), this represents a moderate risk.
Exploit ScenarioDerived

An attacker modifies a file parameter to include directory traversal sequences (../../etc/passwd) to read arbitrary files from the server filesystem.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 15, 2026

A lack of file name validation or verification in the Attachment service of usememos memos v0.25.2 allows attackers to execute a path traversal.

Earlier versions of this analysis (1)
v1 Mar 15, 2026 - 17:54 CVSS 4.3

RemediationAI

A vendor patch is available — apply it immediately. Validate and sanitize file path inputs. Use a whitelist of allowed files or directories. Implement chroot jails or containerization.

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

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Technical ContextAI · show details

Path traversal allows an attacker to access files outside the intended directory by manipulating file paths with sequences like '../'.

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Severity by source

Vendor (mitre) PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/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
None
Integrity
Low
Availability
None

Lifecycle Timeline

3
Patch released
Mar 15, 2026 - 17:54 nvd
Patch available
PoC Detected
Dec 09, 2025 - 17:15 vuln.today
Public exploit code
CVE Published
Dec 08, 2025 - 17:16 nvd
MEDIUM 4.3

Executive ViewAI

Why It Matters

Organizations using the Attachment service of usememos memos should be aware of moderate risk from CVE-2025-65799 rated CVSS 4.3. 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 88% 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
No
Human Impact
Low

Priority Score

42
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Path Traversal HIGH

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

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Vendor StatusVendor

SUSE

Severity: Medium

References

Advisories & patches
PATCH https://github.com/usememos/memos/pull/5218 ADVISORY https://github.com/advisories/GHSA-qgjp-5g5x-vhq2 ADVISORY https://github.com/usememos/memos/commit/5f57f48673e2054f404b2c5b497a8eaa3690591d ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-65799 REF http://memos.com REF http://usememos.com

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