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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-26119

30
FAUCET Score

CVE-2023-26119 is a critical Remote Code Execution (RCE) vulnerability affecting versions of the net.sourceforge.htmlunit:htmlunit package prior to 3.0.0, exploitable via XSTL when a user browses an attacker-controlled webpage. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low complexity and no user interaction, potentially leading to complete compromise of confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.0.0CPE matchmatch criteria
cpe:2.3:a:htmlunit:htmlunit:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.51%
Probability of exploitation in next 30 days
EPSS Percentile
83.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0251 is in the 73rd percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: net.sourceforge.htmlunit:htmlunitFixed in: 3.0.0

Vendor Advisories (1)

mavenGHSA-3xrr-7m6p-p7xhcritical

HtmlUnit Code Injection vulnerability

Jul 6, 2023

References

github.com / HtmlUnit/htmlunit/commit/641325bbc84702dc9800ec7037aec061ce21956b
Patch
security.snyk.io / vuln/SNYK-JAVA-NETSOURCEFORGEHTMLUNIT-3252500
Third Party Advisory
siebene.github.io / 2022/12/30/HtmlUnit-RCE
ExploitThird Party Advisory