# CVE-2026-129355: sigoden dufs WebDAV COPY Operation server.rs authorization

Status: published. Published: 2026-11-15. Updated: 2026-11-15.

A vulnerability has been found in sigoden dufs up to 0.46.0. This affects an unknown part of the file src/server.rs of the component WebDAV COPY Operation Handler. The manipulation leads to incorrect authorization. The attack is possible to be carried out remotely. Upgrading to version 0.47.0 is able to mitigate this issue. The identifier of the patch is fba13dffb9c65b5e5e26419f64de709200277a04. It is advisable to upgrade the affected component.

## 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/sigoden/dufs/commit/fba13dffb9c65b5e5e26419f64de709200277a04
- 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/sigoden/dufs/pull/753

## Affected products and versions

- sigoden / dufs: 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); 0.46.0 (affected); 0.47.0 (unaffected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 6.9 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X; source: CNA: VulDB

- CVSS 3.1: 6.5 (medium); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C; source: CNA: VulDB

- CVSS 3.0: 6.5 (medium); CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C; source: CNA: VulDB

- CVSS 2.0: 6.4 (medium); AV:N/AC:L/Au:N/C:N/I:P/A:P/E:ND/RL:OF/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-863, CWE-285

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://vuldb.com/vuln/437418 (CNA: VulDB; vdb-entry)

- https://vuldb.com/vuln/437418/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-129355 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1043822 (CNA: VulDB; third-party-advisory)

- https://github.com/sigoden/dufs/commit/fba13dffb9c65b5e5e26419f64de709200277a04 (CNA: VulDB; patch)

- https://github.com/sigoden/dufs/pull/753 (CNA: VulDB; issue-tracking, patch)

- https://github.com/sigoden/dufs/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-129355; retrieved 2026-11-15; source updated 2026-11-15

Revision: d2bb7fe375b5e0683928f60d560ebc0ce1e16d21ef512ef0f4e2b5cf67174c02

Canonical: https://y2.dev/cve/CVE-2026-129355

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.