Vulnerability · Published Oct 16, 2026 · Assigned by VulnCheck

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

Medium 6.5

In plain English

A medium-severity authorization bypass via user-controlled key in paopao-ce from rocboss. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.4%top 67.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
rocboss	paopao-ce	0 – through 0.6.0-alpha.3

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

https://hackmd.io/@hieuPenguinnn/paopao-ce-attachment-download-cross-user-idor third-party-advisory
https://github.com/rocboss/paopao-ce/blob/v0.6.0-alpha.3/internal/servants/web/priv.go#L208-L250 technical-description
https://github.com/rocboss/paopao-ce product
VulnCheck Advisory: Rocboss paopao-ce through 0.6.0-alpha.3 IDOR via DownloadAttachment Endpoint third-party-advisory