cemtan sar2html sar2html.py deleteAll missing authentication

published 2026-10-14 25 d ago modified 2026-10-15 24 d ago also EUVD-2026-101623

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits: 0; none known

A security vulnerability has been detected in cemtan sar2html 4.0.0. This affects the function deleteHost/deleteRange/deleteAll of the file sar2html.py. Such manipulation leads to missing authentication. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Exploit prediction

0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/cemtan/sar2html/issues/21 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:C
CNA	3.0	6.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:C
CNA	2.0	6.4	AV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:C
CNA	4.0	5.5	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/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
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CNA	2.0	6.4	AV:N/AC:L/Au:N/C:N/I:P/A:P

Affected products

cemtan sar2html

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality
CWE-287 Improper Authentication

References

github.com /cemtan/sar2html/issues/21
exploit, issue-tracking
vuldb.com /vuln/419829
vdb-entry, technical-description
vuldb.com /vuln/419829/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-110669
third-party-advisory
vuldb.com /submit/1003769
third-party-advisory
github.com /cemtan/sar2html/
product

Sources

CVE List CVE-2026-110669
NVD CVE-2026-110669

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