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Server-side request forgery in fr0tt benotes bookmark endpoint

Priority MEDIUM 57CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.

Summary

The fr0tt benotes project is affected up to and including 2.8.1. A server-side request forgery flaw (CWE-918) in the getUrlInfo function of the bookmark metadata endpoint lets the server be made to send requests to attacker-chosen destinations through the url argument. A remote attacker with low privileges can trigger it, and a public exploit is available. The project was informed through an issue report but has not responded yet.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

A vulnerability has been found in fr0tt benotes up to 2.8.1. This affects the function getUrlInfo of the file app/Http/Controllers/PostController.php of the component Bookmark Metadata Endpoint. The manipulation of the argument url leads to server-side request forgery. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00232 14th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
fr0ttbenotes2.8.0; 2.8.1—No fix listedCNA
  • benotes Vendorfr0tt Affected 2.8.0; 2.8.1 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:fr0tt:benotes:*:*:*:*:*:*:*:*——fr0tt
  • cpe:2.3:a:fr0tt:benotes:*:*:*:*:*:*:*:* Versions — — ·fr0tt

Remediation

The sources list no fixed version for benotes.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-26 Threatist record created from CVE-2026-116224
  2. 2026-10-26 CISA SSVC decision points changed
  3. 2026-10-26 Priority changed: LOW → MEDIUM
  4. 2026-10-27 Alias added: GHSA-g62w-c8vg-p75q

References

Sources