# CVE-2026-125379: Movim through 0.35.5 Authorization Bypass via Post::ajaxGetPost Cached Post Read

Status: published. Published: 2026-11-09. Updated: 2026-11-09.

Movim through 0.35.5 contains an authorization bypass vulnerability in Post::ajaxGetPost that allows authenticated users to read restricted posts by supplying server, node and nodeid values. Attackers who know item identifiers can retrieve cached community or contact-only posts from the pod-wide cache before the XMPP authorization check runs.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulnCheck) — https://github.com/movim/movim/commit/378e0368368d0dd9cb090b78e68a63064d47d512

## Affected products and versions

- movim / movim: ≥ 0; ≤ 0.35.5 (affected, custom). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 2.3 (low); CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N; source: CNA: VulnCheck

- CVSS 3.1: 3.1 (low); CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N; source: CNA: VulnCheck

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-639

## Exploit evidence

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

## References

- https://github.com/movim/movim/commit/378e0368368d0dd9cb090b78e68a63064d47d512 (CNA: VulnCheck; patch)

- https://github.com/movim/movim (CNA: VulnCheck; product)

- https://github.com/movim/movim/blob/v0.35.5/app/Widgets/Post/Post.php#L126-L160 (CNA: VulnCheck; technical-description)

- https://www.vulncheck.com/advisories/movim-through-0.35.5-authorization-bypass-via-post-ajaxgetpost-cached-post-read (CNA: VulnCheck; third-party-advisory)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2026-125379; retrieved 2026-11-10; source updated 2026-11-09

Revision: 7bbacbfd973258a30119466761b884e36c2cca17808325485cf1ceddb26b0ae9

Canonical: https://y2.dev/cve/CVE-2026-125379

## 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.