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CVE-2026-23957

26
FAUCET Score

CVE-2026-23957 is a denial-of-service

Impacted Technologies

VendorProductVersion(s)CPE
< 1.4.1CPE matchmatch criteria
cpe:2.3:a:lxsmnsyc:seroval:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 12th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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 (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: serovalFixed in: 1.4.1

Vendor Advisories (2)

redhatCVE-2026-23957Important

seroval: Seroval: Denial of Service via large encoded array lengths

Jan 22, 2026
npmGHSA-66fc-rw6m-c2q6high

Seroval affected by Denial of Service via Array serialization

Jan 21, 2026

References

github.com / lxsmnsyc/seroval/commit/ce9408ebc87312fcad345a73c172212f2a798060
Patch
github.com / lxsmnsyc/seroval/security/advisories/GHSA-66fc-rw6m-c2q6
MitigationVendor Advisory