Dashboard / CVE-2026-120639

CVE-2026-120639

HIGH
MEDIUM Priority: 0.02 BB Relevance: 74/100
Published: 2026-11-04 Modified: 2026-11-09 First seen: 2026-11-04 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Changed
C: Low
I: Low
A: None

Description

CGI versions before 5.00 for Perl allow HTTP header injection via entity decoding after the newline check in header and unchecked values in multipart_start and do_push. With autoEscape off, header decodes HTML entities in extra header values after its newline check, so an encoded CR or LF reaches the response. multipart_start does not check header values for newlines, and do_push does not check the type it prints in each part. An application that passes request data into these header values can be made to add headers or split the response.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
— — 0 < 5.00
— — 0 < 5.00

References & Advisories (4)

Bug Bounty Relevance

74 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.2 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

EPSS — Exploitation Probability

0.31%
Raw Score 0.003130
Percentile 24.6%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00313
2026-11-13
0.00313
2026-11-12
0.00313
2026-11-10
0.00313
2026-11-09
0.00227
2026-11-08
0.00227
2026-11-07
0.00227
2026-11-06
0.00227
2026-11-05
0.00227
2026-11-04
0.00227

Intelligence Sources

mitre ref →
nvd ref →

External Links