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CVE-2026-27730

26
FAUCET Score

CVE-2026-27730 identifies a high-severity Server-Side

Impacted Technologies

VendorProductVersion(s)CPE
<= 137CPE matchmatch criteria
cpe:2.3:a:esm:esm.sh:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.6HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
4.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
26.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 8th percentile among its peer group of 51,506 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

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)

gopatch availablevia ghsa
Product: github.com/esm-dev/esm.shFixed in: 0.0.0-20250616164159-0593516c4cfa
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

goGHSA-p2v6-84h2-5x4rhigh

esm.sh has SSRF localhost/private-network bypass in `/http(s)` module route

Feb 25, 2026

References

github.com / esm-dev/esm.sh/security/advisories/GHSA-p2v6-84h2-5x4r
ExploitVendor Advisory