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CVE-2023-26122

30
FAUCET Score

CVE-2023-26122 is a critical sandbox bypass vulnerability affecting all versions of the 'safe-eval' package, stemming from improper input sanitization and prototype pollution. This flaw, rated 10.0 CVSS, allows unauthenticated attackers to execute arbitrary code remotely with high impact on confidentiality, integrity, and availability. While no active exploitation or public exploit code is currently reported, and community discussion is minimal, the severe nature of this vulnerability warrants immediate attention for affected systems.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.4.1CPE matchmatch criteria
cpe:2.3:a:safe-eval_project:safe-eval:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.10%
Probability of exploitation in next 30 days
EPSS Percentile
79.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0210 is in the 69th percentile among its peer group of 36,897 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

Vendor Advisories (1)

npmGHSA-79xf-67r4-q2jjcritical

safe-eval vulnerable to Sandbox Bypass due to improper input sanitization

Apr 11, 2023

References

gist.github.com / seongil-wi/2db6cb884e10137a93132b7f74879cce
ExploitThird Party Advisory
github.com / hacksparrow/safe-eval/issues/27
ExploitIssue TrackingThird Party Advisory
github.com / hacksparrow/safe-eval/issues/31
ExploitIssue TrackingThird Party Advisory
github.com / hacksparrow/safe-eval/issues/32
ExploitIssue TrackingThird Party Advisory
github.com / hacksparrow/safe-eval/issues/33
ExploitIssue TrackingThird Party Advisory
github.com / hacksparrow/safe-eval/issues/34
ExploitIssue TrackingThird Party Advisory
github.com / hacksparrow/safe-eval/issues/35
ExploitIssue TrackingThird Party Advisory
security.snyk.io / vuln/SNYK-JS-SAFEEVAL-3373064
ExploitIssue TrackingThird Party Advisory