dibo-software diboot AI Session Endpoint ai-session authorization

published 2026-08-31 2 mo ago modified 2026-08-31 2 mo ago also EUVD-2026-68683

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits: 0; none known

A vulnerability has been found in dibo-software diboot 3.8.0. Affected by this vulnerability is an unknown functionality of the file /api/ai-session/ of the component AI Session Endpoint. Such manipulation leads to authorization bypass. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 2 mo ago (2026-08-31)

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

drive.google.com https://drive.google.com/file/d/1-q66DxWFxQNmYF-1lzkHOodibWmZlGA0/view?usp=sharing referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.3	CVSS: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
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	3.0	6.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CNA	4.0	2.1	CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

dibo-software diboot

Classification

Weakness

CWE-639 Authorization Bypass Through User-Controlled Key
CWE-285 Improper Authorization

References

drive.google.com /file/d/1-q66DxWFxQNmYF-1lzkHOodibWmZlGA0/view?usp=sharing
exploit
vuldb.com /vuln/397233
vdb-entry
vuldb.com /vuln/397233/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-82816
third-party-advisory
vuldb.com /submit/876017
third-party-advisory

Sources

CVE List CVE-2026-82816
NVD CVE-2026-82816

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary