CVE-2023-40023 json
Yaklang Plugin's Fuzztag Component Allows Unauthorized Local File Reading
published 2023-08-14 3 y ago modified 2026-06-17 4 mo ago also GHSA-xvhg-w6qc-m3qq , GO-2023-2011 , EUVD-2023-2383
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
yaklang is a programming language designed for cybersecurity. The Yak Engine has been found to contain a local file inclusion (LFI) vulnerability. This vulnerability allows attackers to include files from the server's local file system through the web application. When exploited, this can lead to the unintended exposure of sensitive data, potential remote code execution, or other security breaches. Users utilizing versions of the Yak Engine prior to 1.2.4-sp1 are impacted. This vulnerability has been patched in version 1.2.4-sp1. Users are advised to upgrade. users unable to upgrade may avoid exposing vulnerable versions to untrusted input and to closely monitor any unexpected server behavior until they can upgrade.
Patch / fix
- go github.com/yaklang/yaklang 1.2.4-sp2
- github.com/yaklang/yaklang#295 pull request
- github.com/yaklang/yaklang#296 pull request
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/yaklang/yaklang | <1.2.4-sp2 |
1.2.4-sp2 |
Affected products
- yaklang yaklang
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
github.com
/yaklang/yaklang/pull/295
web, patch
-
github.com
/yaklang/yaklang/pull/296
web, patch
-
github.com
/yaklang/yaklang/security/advisories/GHSA-xvhg-w6qc-m3qq
web, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2023-40023
advisory
-
github.com
/yaklang/yaklang
package
-
mp.weixin.qq.com
/s?__biz=Mzg5ODE3NTU1OQ==&mid=2247484236&idx=1&sn=ef0c14a89721800b2311d0e487388399
web
Sources
- CVE List CVE-2023-40023
- GitHub Advisory GHSA-xvhg-w6qc-m3qq
- NVD CVE-2023-40023
- OSV GO-2023-2011
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.