bolo-blog bolo-solo ZIP File BackupService.java unpackFilteredZip path traversal
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
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A vulnerability was detected in bolo-blog bolo-solo up to 2.6.4. The impacted element is the function unpackFilteredZip of the file src/main/java/org/b3log/solo/bolo/prop/BackupService.java of the component ZIP File Handler. Performing a manipulation of the argument File results in path traversal. The attack is possible to be carried out remotely. The exploit is now 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
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
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-1810
- 2026-10-03 Alias added: GHSA-8gmc-c3g8-vc4p
References
More bolo-blog Bolo-solo vulnerabilities
- TI-2023-21647 File Upload vulnerability in adlered bolo-solo v.2.6 allows a remote attacker to execute… CVSS 3.1CRITICAL 9.8
- TI-2026-01491 bolo-blog bolo-solo FreeMarker Template PicUploadProcessor.java unrestricted upload CVSS 4.0MEDIUM 5.3
- TI-2026-01490 bolo-blog bolo-solo Filename BackupService.java importFromCnblogs path traversal CVSS 4.0MEDIUM 5.3
- TI-2026-01489 bolo-blog bolo-solo Filename BackupService.java importFromMarkdown path traversal CVSS 4.0MEDIUM 5.3
- TI-2026-01374 bolo-solo SnakeYAML BackupService.java importMarkdownsSync deserialization CVSS 4.0MEDIUM 5.3
Sources
- CVE-2026-1810 · CVE Program
- CVE-2026-1810 · NVD
- FIRST EPSS
- GHSA-8gmc-c3g8-vc4p · GitHub Advisory Database · CC BY 4.0
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