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Description

A vulnerability was found in bolo-blog bolo-solo up to 2.6.4. Affected is an unknown function of the file src/main/java/org/b3log/solo/bolo/pic/PicUploadProcessor.java of the component FreeMarker Template Handler. The manipulation of the argument File results in unrestricted upload. It is possible to launch the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

PUBLISHED Reserved 2026-02-03 | Published 2026-02-03 | Updated 2026-02-03 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Unrestricted Upload

Improper Access Controls

Product status

2.6.0
affected

2.6.1
affected

2.6.2
affected

2.6.3
affected

2.6.4
affected

Timeline

2026-02-03:Advisory disclosed
2026-02-03:VulDB entry created
2026-02-03:VulDB entry last update

Credits

MaoQiu (VulDB User) reporter

References

vuldb.com/?id.343981 (VDB-343981 | bolo-blog bolo-solo FreeMarker Template PicUploadProcessor.java unrestricted upload) vdb-entry technical-description

vuldb.com/?ctiid.343981 (VDB-343981 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.743402 (Submit #743402 | https://github.com/bolo-blog/bolo-solo bolo-solo V2.6.4 Arbitrary File Write and RCE) third-party-advisory

github.com/bolo-blog/bolo-solo/issues/329 exploit issue-tracking

github.com/bolo-blog/bolo-solo/ product

cve.org (CVE-2026-1813)

nvd.nist.gov (CVE-2026-1813)

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