# CVE-2026-129260: Mereithhh VanBlog Custom local.provider.ts fs.readFileSync path traversal

Status: published. Published: 2026-11-14. Updated: 2026-11-14.

A security vulnerability has been detected in Mereithhh VanBlog up to 0.54.0. This vulnerability affects the function fs.readFileSync of the file local.provider.ts of the component Custom Page Handler. The manipulation of the argument path leads to path traversal. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. Upgrading to version test-20261013 is able to resolve this issue. The identifier of the patch is d63aa163f10b6dc1080e2368fe8e71aa95b765cb. Upgrading the affected component is advised.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/Mereithhh/vanblog/pull/524
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/Mereithhh/vanblog/commit/d63aa163f10b6dc1080e2368fe8e71aa95b765cb
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/Mereithhh/vanblog/releases/tag/test-20261013

## Affected products and versions

- Mereithhh / VanBlog: 0.1 (affected); 0.2 (affected); 0.3 (affected); 0.4 (affected); 0.5 (affected); 0.6 (affected); 0.7 (affected); 0.8 (affected); 0.9 (affected); 0.10 (affected); 0.11 (affected); 0.12 (affected); 0.13 (affected); 0.14 (affected); 0.15 (affected); 0.16 (affected); 0.17 (affected); 0.18 (affected); 0.19 (affected); 0.20 (affected); 0.21 (affected); 0.22 (affected); 0.23 (affected); 0.24 (affected); 0.25 (affected); 0.26 (affected); 0.27 (affected); 0.28 (affected); 0.29 (affected); 0.30 (affected); 0.31 (affected); 0.32 (affected); 0.33 (affected); 0.34 (affected); 0.35 (affected); 0.36 (affected); 0.37 (affected); 0.38 (affected); 0.39 (affected); 0.40 (affected); 0.41 (affected); 0.42 (affected); 0.43 (affected); 0.44 (affected); 0.45 (affected); 0.46 (affected); 0.47 (affected); 0.48 (affected); 0.49 (affected); 0.50 (affected); 0.51 (affected); 0.52 (affected); 0.53 (affected); 0.54.0 (affected); test-20261013 (unaffected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 5.1 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P; source: CNA: VulDB

- CVSS 3.1: 6.6 (medium); CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L/E:P/RL:O/RC:C; source: CNA: VulDB

- CVSS 3.0: 6.6 (medium); CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L/E:P/RL:O/RC:C; source: CNA: VulDB

- CVSS 2.0: 5.8 (medium); AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:OF/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-22

## Exploit evidence

- exploit: http://note.geronimo.xin/post/71 (CNA: VulDB)

## References

- https://vuldb.com/vuln/437298 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/437298/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-129260 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1043274 (CNA: VulDB; third-party-advisory)

- http://note.geronimo.xin/post/71 (CNA: VulDB; exploit)

- https://github.com/Mereithhh/vanblog/pull/524 (CNA: VulDB; issue-tracking, patch)

- https://github.com/Mereithhh/vanblog/commit/d63aa163f10b6dc1080e2368fe8e71aa95b765cb (CNA: VulDB; patch)

- https://github.com/Mereithhh/vanblog/releases/tag/test-20261013 (CNA: VulDB; patch)

- https://github.com/Mereithhh/vanblog/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-129260; retrieved 2026-11-14; source updated 2026-11-14

Revision: beb185191df543f49a3dacaf69294a235a5111bd203045c51f06bc2f7f154344

Canonical: https://y2.dev/cve/CVE-2026-129260

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