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CVE-2023-3696

29
FAUCET Score

CVE-2023-3696 is a critical Prototype Pollution vulnerability affecting automattic/mongoose versions prior to 7.3.4. With a CVSS score of 9.8, this vulnerability allows unauthenticated attackers to remotely execute arbitrary code, leading to complete compromise of confidentiality, integrity, and availability. While no active exploitation, public exploit code, or significant community discussion has been observed, the high severity warrants immediate patching.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.13.20CPE matchmatch criteria
cpe:2.3:a:mongoosejs:mongoose:*:*:*:*:*:node.js:*:*
>= 6.0.0, < 6.11.3CPE matchmatch criteria
cpe:2.3:a:mongoosejs:mongoose:*:*:*:*:*:node.js:*:*
>= 7.0.0, < 7.3.4CPE matchmatch criteria
cpe:2.3:a:mongoosejs:mongoose:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.0

10.0CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.8
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.21%
Probability of exploitation in next 30 days
EPSS Percentile
65.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0121 is in the 51st percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: mongooseFixed in: 7.3.3
npmpatch availablevia ghsa
Product: mongooseFixed in: 6.11.3
npmpatch availablevia ghsa
Product: mongooseFixed in: 5.13.20

Vendor Advisories (1)

npmGHSA-9m93-w8w6-76hhcritical

Mongoose Prototype Pollution vulnerability

Jul 17, 2023

References

github.com / automattic/mongoose/commit/305ce4ff789261df7e3f6e72363d0703e025f80d
Patch
huntr.dev / bounties/1eef5a72-f6ab-4f61-b31d-fc66f5b4b467
ExploitPatch