What is CVE-2026-111649?

CVE-2026-111649 is a medium-severity vulnerability in Rocboss Paopao-Ce, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-10-16.

How severe is CVE-2026-111649?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Rocboss Paopao-Ce

CVE-2026-111649

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.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-10-16 · last modified 2026-10-16.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Rocboss Paopao-Ce

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

hackmd.io/@hieuPenguinnn/paopao-ce-attachment-download-cross-user-idor (third-party-advisory)
github.com/rocboss/paopao-ce/blob/v0.6.0-alpha.3/internal/servants/web/priv.go (technical-description)
github.com/rocboss/paopao-ce (product)
www.vulncheck.com/advisories/rocboss-paopao-ce-through-0.6.0-alpha.3-idor-via-d… (third-party-advisory)

Frequently asked questions

What is CVE-2026-111649?: CVE-2026-111649 is a medium-severity vulnerability in Rocboss Paopao-Ce, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-10-16.
How severe is CVE-2026-111649?: Medium severity. CVSS v3 base score is 6.5 out of 10.