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Vulnerability Details :

CVE-2026-49948

Summary
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At-09 Jun, 2026 | 14:58
Updated At-09 Jun, 2026 | 15:34
Rejected At-
Credits

Mem0 0.2.8 Missing Authorization via POST /configure Endpoint

Mem0 versions through 0.2.8, fixed in commit ae7f406, contain a missing authorization vulnerability in the self-hosted server component where the POST /configure endpoint modifies global LLM provider and embedder configuration but only verifies authentication via JWT or X-API-Key without validating the caller's role. Any authenticated user holding a distributed API key can redirect all LLM and embedder traffic to an attacker-controlled server, with the malicious configuration persisted to PostgreSQL and surviving server restarts to affect all users and API keys on the instance.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulnCheck
Assigner Org ID:83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At:09 Jun, 2026 | 14:58
Updated At:09 Jun, 2026 | 15:34
Rejected At:
▼CVE Numbering Authority (CNA)
Mem0 0.2.8 Missing Authorization via POST /configure Endpoint

Mem0 versions through 0.2.8, fixed in commit ae7f406, contain a missing authorization vulnerability in the self-hosted server component where the POST /configure endpoint modifies global LLM provider and embedder configuration but only verifies authentication via JWT or X-API-Key without validating the caller's role. Any authenticated user holding a distributed API key can redirect all LLM and embedder traffic to an attacker-controlled server, with the malicious configuration persisted to PostgreSQL and surviving server restarts to affect all users and API keys on the instance.

Affected Products
Vendor
mem0ai
Product
mem0
Repo
https://github.com/mem0ai/mem0
Default Status
affected
Versions
Affected
  • From 0 through 0.2.8 (semver)
Unaffected
  • ae7f4062652df1376990221101d1adbb0819c973 (git)
Problem Types
TypeCWE IDDescription
CWECWE-862Missing Authorization
Type: CWE
CWE ID: CWE-862
Description: Missing Authorization
Metrics
VersionBase scoreBase severityVector
4.08.6HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
3.18.1HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Version: 4.0
Base score: 8.6
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

finder
YU SUN
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/mem0ai/mem0/issues/5127
technical-description
exploit
https://github.com/mem0ai/mem0/issues/5384
technical-description
https://github.com/mem0ai/mem0/pull/5360
issue-tracking
https://github.com/mem0ai/mem0/commit/ae7f4062652df1376990221101d1adbb0819c973
patch
https://www.vulncheck.com/advisories/mem0-missing-authorization-via-post-configure-endpoint
third-party-advisory
Hyperlink: https://github.com/mem0ai/mem0/issues/5127
Resource:
technical-description
exploit
Hyperlink: https://github.com/mem0ai/mem0/issues/5384
Resource:
technical-description
Hyperlink: https://github.com/mem0ai/mem0/pull/5360
Resource:
issue-tracking
Hyperlink: https://github.com/mem0ai/mem0/commit/ae7f4062652df1376990221101d1adbb0819c973
Resource:
patch
Hyperlink: https://www.vulncheck.com/advisories/mem0-missing-authorization-via-post-configure-endpoint
Resource:
third-party-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:disclosure@vulncheck.com
Published At:09 Jun, 2026 | 16:16
Updated At:09 Jun, 2026 | 19:36

Mem0 versions through 0.2.8, fixed in commit ae7f406, contain a missing authorization vulnerability in the self-hosted server component where the POST /configure endpoint modifies global LLM provider and embedder configuration but only verifies authentication via JWT or X-API-Key without validating the caller's role. Any authenticated user holding a distributed API key can redirect all LLM and embedder traffic to an attacker-controlled server, with the malicious configuration persisted to PostgreSQL and surviving server restarts to affect all users and API keys on the instance.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.6HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/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
Primary3.18.1HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Type: Secondary
Version: 4.0
Base score: 8.6
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/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
Type: Primary
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-862Primarydisclosure@vulncheck.com
CWE ID: CWE-862
Type: Primary
Source: disclosure@vulncheck.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/mem0ai/mem0/commit/ae7f4062652df1376990221101d1adbb0819c973disclosure@vulncheck.com
N/A
https://github.com/mem0ai/mem0/issues/5127disclosure@vulncheck.com
N/A
https://github.com/mem0ai/mem0/issues/5384disclosure@vulncheck.com
N/A
https://github.com/mem0ai/mem0/pull/5360disclosure@vulncheck.com
N/A
https://www.vulncheck.com/advisories/mem0-missing-authorization-via-post-configure-endpointdisclosure@vulncheck.com
N/A
Hyperlink: https://github.com/mem0ai/mem0/commit/ae7f4062652df1376990221101d1adbb0819c973
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://github.com/mem0ai/mem0/issues/5127
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://github.com/mem0ai/mem0/issues/5384
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://github.com/mem0ai/mem0/pull/5360
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.vulncheck.com/advisories/mem0-missing-authorization-via-post-configure-endpoint
Source: disclosure@vulncheck.com
Resource: N/A

Change History

0
Information is not available yet

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