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CVE-2023-40023

21
FAUCET Score

CVE-2023-40023 is a local file inclusion (LFI) vulnerability affecting the Yak Engine in yaklang versions prior to 1.2.4-sp1. This flaw allows attackers to include arbitrary files from the server's local file system, potentially leading to sensitive data exposure or remote code execution. With a CVSS score of 7.5 (High), it presents a significant risk due to its network-based attack vector and low attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.2.0CPE matchmatch criteria
cpe:2.3:a:yaklang:yaklang:1.2.0:sp6:*:*:*:*:*:*
1.2.0CPE matchmatch criteria
cpe:2.3:a:yaklang:yaklang:1.2.0:sp7:*:*:*:*:*:*
1.2.0CPE matchmatch criteria
cpe:2.3:a:yaklang:yaklang:1.2.0:sp8:*:*:*:*:*:*
1.2.1CPE matchmatch criteria
cpe:2.3:a:yaklang:yaklang:1.2.1:-:*:*:*:*:*:*
1.2.1CPE matchmatch criteria
cpe:2.3:a:yaklang:yaklang:1.2.1:sp1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.92%
Probability of exploitation in next 30 days
EPSS Percentile
56.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0092 is in the 31st 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

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
gopatch availablevia ghsa
Product: github.com/yaklang/yaklangFixed in: 1.2.4-sp2

Vendor Advisories (1)

goGHSA-xvhg-w6qc-m3qqhigh

Yaklang Plugin's Fuzztag Component Allows Unauthorized Local File Reading

Aug 15, 2023

References

github.com / yaklang/yaklang/pull/295
Patch
github.com / yaklang/yaklang/pull/296
Patch
github.com / yaklang/yaklang/security/advisories/GHSA-xvhg-w6qc-m3qq
Third Party Advisory