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CVE-2023-41037

15
FAUCET Score

CVE-2023-41037 is a medium-severity vulnerability affecting OpenPGP.js versions up to 5.9.0 and 4.10.10, allowing attackers to prepend arbitrary text to OpenPGP Cleartext Signed Messages. This could mislead users or applications that visually trust the message content without verifying the actual signed data. The vulnerability has a CVSS score of 4.3 (Medium) due to its network attack vector and low impact on integrity, requiring user interaction. There is currently no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.10.11CPE matchmatch criteria
cpe:2.3:a:openpgpjs:openpgpjs:*:*:*:*:*:*:*:*
>= 5.0.0, < 5.10.0CPE matchmatch criteria
cpe:2.3:a:openpgpjs:openpgpjs:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
23.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 23rd percentile among its peer group of 26,236 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: openpgpFixed in: 4.10.11
npmpatch availablevia ghsa
Product: openpgpFixed in: 5.10.1

Vendor Advisories (1)

npmGHSA-ch3c-v47x-4pgpmedium

Cleartext Signed Message Signature Spoofing in openpgp

Aug 29, 2023

References

github.com / openpgpjs/openpgpjs/commit/6b43e02a254853f5ff508ebd1b07541f78b7c566
Patch
github.com / openpgpjs/openpgpjs/security/advisories/GHSA-ch3c-v47x-4pgp
ExploitVendor Advisory