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PatchSiren cyber security CVE debrief

CVE-2026-111649 rocboss CVE debrief

CVE-2026-111649 is an insecure direct object reference vulnerability in Rocboss paopao-ce through 0.6.0-alpha.3. The vulnerability is located in the DownloadAttachment endpoint and allows authenticated users to access private media by supplying arbitrary content IDs. This high-severity vulnerability has a CVSS score of 7.1 and can be exploited by attackers to enumerate sequential post_content IDs to obtain signed download URLs for private media. Defenders should prioritize verification and remediation to prevent unauthorized access. The vulnerability is confirmed by the CVE Program record and the NVD vulnerability detail page.

Vendor
rocboss
Product
paopao-ce
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-16
Original CVE updated
2026-10-21
Advisory published
2026-10-16
Advisory updated
2026-10-21

Who should care

Defenders who manage Rocboss paopao-ce instances should assess exposure and prioritize verification of the vulnerability in their inventory. They should also review compensating controls for exposed systems while remediation is scheduled and verified. Additionally, defenders should track exceptions, retest remediated assets, and close the item only after evidence is documented. Operators, platform administrators, vulnerability management teams, and IT and

Why it matters

CVE-2026-111649 is a high-severity vulnerability in Rocboss paopao-ce that allows authenticated users to access private media. Defenders should prioritize verification and remediation to prevent unauthorized access.

  • Authenticated users may access private media of other users
  • An attacker may enumerate sequential post_content IDs to obtain signed download URLs for private media

Technical summary

The vulnerability is caused by an insecure direct object reference in the DownloadAttachment endpoint, which allows authenticated users to access private media by supplying arbitrary content IDs. The vulnerability affects Rocboss paopao-ce through 0.6.0-alpha.3 and has a high CVSS score of 7.1. Attackers can enumerate sequential post_content IDs to obtain signed download URLs for private media. Defenders should prioritize verifying the vulnerability in their inventory and assessing exposure. The vulnerability is confirmed by the CVE Program record and the NVD vulnerability detail page, providing additional information about the vulnerability, including a technical description and affected versions.

Defensive priority

Defenders should prioritize verifying the vulnerability in their inventory and assessing exposure, as the vulnerability has a high CVSS score of 7.1.

Recommended defensive actions

  • Verify the vulnerability in your inventory and assess exposure
  • Restrict access to the DownloadAttachment endpoint
  • Implement proper authorization and validation for content IDs
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The vulnerability is confirmed by the CVE Program record and the NVD vulnerability detail page. The source item provides additional information about the vulnerability, including a technical description and affected versions.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-111649 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-111649

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-111649 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-111649

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Rocboss paopao-ce through 0.6.0-alpha.3 IDOR via DownloadAttachment Endpoint

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/111xxx/CVE-2026-111649.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://hackmd.io/@hieuPenguinnn/paopao-ce-attachment-download-cross-user-idor

    Supplemental source - third-party-advisory

  • Source reference

    Unverified legacy reference

    URL: https://github.com/rocboss/paopao-ce/blob/v0.6.0-alpha.3/internal/servants/web/priv.go

    Supplemental source - technical-description

  • Source reference

    Unverified legacy reference

    URL: https://github.com/rocboss/paopao-ce

    Supplemental source - product

  • Source reference

    Unverified legacy reference

    URL: https://www.vulncheck.com/advisories/rocboss-paopao-ce-through-0.6.0-alpha.3-idor-via-downloadattachment-endpoint

    Supplemental source - third-party-advisory

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.