CVE-2023-26146: All versions of the package ithewei/libhv are vulnerable to Cross-site Scripting (XSS) such that when a file w

Routine

MEDIUM 6.1MITIGATE

CVE-2023-26146 is a medium-severity flaw (CVSS 6.1) affecting libhv. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

All versions of the package ithewei/libhv are vulnerable to Cross-site Scripting (XSS) such that when a file with a name containing a malicious payload is served by the application, the filename is displayed without proper sanitization when it is rendered.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-09-29
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: ithewei

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-09-29 05:15 UTCPublished CVE record published
2026-06-17 05:42 UTCUpdated Record last modified

ithewei libhv MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy libhv || rpm -q libhv || libhv --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-26146?

libhv: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-26146 being exploited?

CVE-2023-26146 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-26146 affect?

CVE-2023-26146 affects libhv. Severity is medium (CVSS 6.1). All versions of the package ithewei/libhv are vulnerable to Cross-site Scripting (XSS) such that when a file with a name containing a malicious payload is served by the application, the filename is displayed without proper sanitization when

How urgent is CVE-2023-26146?

Priority 36/100. Public exploit reference

Related CVEs

CVE-2023-26148 MEDIUM 5.4 MITIGATE All versions of the package ithewei/libhv are vulnerable to CRLF Injection when untrusted user input is used t
CVE-2023-26147 MEDIUM 5.3 MITIGATE All versions of the package ithewei/libhv are vulnerable to HTTP Response Splitting when untrusted user input

References

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