CVE-2026-44928: uriparser_project uriparser
CVSS: 5.3v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-44928DEBIAN-CVE-2026-44928
Published 08-05-2026Last modified 10-05-2026
Vulnerability summary
CVE-2026-44928 is a medium (CVSS 5.3) vulnerability in uriparser_project uriparser. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (NVD)EPSS score
0.23%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 5Timeline
- 08-05-2026PublishedVulnerability first disclosed.
- 10-05-2026Last modifiedVulnerability information updated.
Description
In uriparser before 1.0.2, the function family EqualsUri can misclassify two unequal URIs as equal.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 5.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NSources4 sources · 2.9–5.3
- CVE.orgCNA2.9LowCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
+0.02 pp
From 0.21% on 19-09-2026
19-09-202619-10-2026
EPSS score0.23%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- uriparserAll versions (No fix recorded)
Ubuntu1 product
- uriparserAll versions (No fix recorded)
Uriparser1 product
- uriparser< 1.0.2
Uriparser_project1 product
- uriparser< 1.0.2
4 vendors · 4 products
