kLOsk adloop write.py _validate_urls server-side request forgery
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A vulnerability was detected in kLOsk adloop up to 0.9.0. This vulnerability affects the function _validate_urls of the file src/adloop/ads/write.py. Performing a manipulation of the argument final_url results in server-side request forgery. The attack may be initiated remotely. The exploit is now public and may be used. Upgrading to version 0.10.0 is able to resolve this issue. The patch is named 217399723e3a2fb39389e5355d49ed80aaf9ea7c. Upgrading the affected component is advised.
Why it matters now
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
Remediation
- Fix · CNA adloop (kLOsk) Fixed in 0.10.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-15525
- 2026-10-03 Alias added: GHSA-cvvx-wcx7-g65m
References
Sources
- CVE-2026-15525 · CVE Program
- CVE-2026-15525 · NVD
- FIRST EPSS
- GHSA-cvvx-wcx7-g65m · GitHub Advisory Database · CC BY 4.0
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