lo48576 fbxcel Node Header parser.rs denial of service

published 2026-07-09 4 mo ago modified 2026-10-25 14 d ago also EUVD-2026-42727

cvss: 3.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits: 0; none known

A vulnerability was detected in lo48576 fbxcel up to 0.9.0. This affects an unknown part of the file src/pull_parser/v7400/parser.rs of the component Node Header Handler. The manipulation results in denial of service. The attack must be initiated from a local position. The exploit is now public and may be used. The pull request to fix this issue awaits acceptance.

Patch / fix

links 1

github.com/lo48576/fbxcel#15 pull request

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 4 mo ago (2026-07-10)

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/lo48576/fbxcel/issues/14 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
CNA	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
CNA	3.0	3.3	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
CNA	2.0	1.7	AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR
CNA	4.0	1.9	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CNA	2.0	1.7	AV:L/AC:L/Au:S/C:N/I:N/A:P

Affected products

lo48576 fbxcel

Classification

Weakness

CWE-404 Improper Resource Shutdown or Release

References

github.com /lo48576/fbxcel/pull/15
issue-tracking, patch
github.com /lo48576/fbxcel/issues/14
exploit, issue-tracking
vuldb.com /vuln/377215
vdb-entry
vuldb.com /vuln/377215/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-15274
third-party-advisory
vuldb.com /submit/852441
third-party-advisory
github.com /lo48576/fbxcel/
product

Sources

CVE List CVE-2026-15274
NVD CVE-2026-15274

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