CVE-2026-121589

MEDIUM
MEDIUM Priority: 0.03 BB Relevance: 74/100
Published: 2026-11-03 Modified: 2026-11-09 First seen: 2026-11-04 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
AT: None
VC: None
VI: None
VA: Low

Description

A weakness has been identified in spatie url-signer up to 2.1.3. Affected is the function AbstractUrlSigner::validate of the file AbstractUrlSigner.php of the component URL Validation. This manipulation of the argument expires causes incorrect type conversion. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 2.1.4 is able to address this issue. Patch name: 86af3355388210668f6bfbe9007bd6545d4942ad. It is recommended to upgrade the affected component.

Weakness Classification (1)

Affected Software (8)

VendorProductVersion
spatie url-signer 2.1.0
spatie url-signer 2.1.1
spatie url-signer 2.1.2
spatie url-signer 2.1.3
spatie url-signer 2.1.0
spatie url-signer 2.1.1
spatie url-signer 2.1.2
spatie url-signer 2.1.3

Bug Bounty Relevance

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

CVSS Score

6.9 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

EPSS — Exploitation Probability

0.42%
Raw Score 0.004190
Percentile 36.7%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00419
2026-11-12
0.00419
2026-11-10
0.00419
2026-11-09
0.00419
2026-11-08
0.00419
2026-11-07
0.00419
2026-11-06
0.00419
2026-11-05
0.00419
2026-11-04
0.00419

Intelligence Sources

mitre ref →
nvd ref →