6.1

CVE-2026-6841: Reflected XSS in Request Tracker

Analyzed
AliasesUBUNTU-CVE-2026-6841DEBIAN-CVE-2026-6841
Published 21-05-2026Last modified 21-05-2026

Vulnerability summary

CVE-2026-6841 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in best practical request tracker. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 32.7% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
0.40%
0%100%
Low · +0.16 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 1
USN-8506-1

Timeline

  1. 21-05-2026
    PublishedVulnerability first disclosed.
  2. 21-05-2026
    Last modifiedVulnerability information updated.

Description

Request Tracker is vulnerable to a reflected cross-site scripting (XSS) vulnerability via the "Page" parameter in GET requests. An attacker can craft a URL that, when opened, results in arbitrary JavaScript execution in the victim’s browser. This vulnerability affects versions from 5.0.4 up to 5.0.9 and from 6.0.0 up to 6.0.2.

CVSS metrics

6 scores · 4 sources · 2 versions

EPSS trend

Probability

0.40%

Chance of exploitation in the next 30 days

Percentile

33%

Versus all other CVEs

30-day change

Increase +0.16 pp

From 0.24% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
  • request-tracker4< 4.4.6+dfsg-1.1+deb12u4
  • request-tracker5< 5.0.3+dfsg-3~deb12u6 | < 5.0.7+dfsg-4+deb13u3 | < 5.0.10+dfsg-1
Ubuntu2 products
  • request-tracker4All versions (No fix recorded)
  • request-tracker5< 5.0.1+dfsg-1ubuntu1+esm2 | < 5.0.5+dfsg-2ubuntu0.1~esm2 | All versions (No fix recorded) | < 5.0.7+dfsg-6ubuntu0.1~esm1
Best practical1 product
Bestpractical1 product

4 vendors · 6 products

References

9 links