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CVE-2025-45769 — Vulnerability in firebase/php-jwt — CVE Details

LOW

php-jwt contains weak encryption

Published July 31, 2025Updated September 10, 2026Source: osv

What Should I Do?

Address in Next Maintenance Window

Low exploitation probability (0.02%). Schedule for your next planned update.

Summary

php-jwt v6.11.0 was discovered to contain weak encryption.

Advisory Timeline

  • First published July 31, 2025 (438 days ago).
  • Last revised September 10, 2026 — 405 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Composer
Update firebase/php-jwt to 7.0.0 or later
composer require "firebase/php-jwt:^7.0.0"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: packagist (1).

PackageEcosystemAffectedFixed In
firebase/php-jwt
packagist
1.0.0, 2.0.0, v2.1.0, v2.2.0 (+30 more)7.0.0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

  • CWE-326
    Inadequate Encryption StrengthMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 6.5 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References

Frequently Asked Questions

What is CVE-2025-45769?
php-jwt contains weak encryption This vulnerability has been assigned a severity rating of LOW (CVSS score: 6.5/10).
How do I check if my project is affected by CVE-2025-45769?
CVE-2025-45769 affects firebase/php-jwt. It has a 0.02% probability of exploitation within 30 days (EPSS score). Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2025-45769 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
6.5

Exploitation requires specific conditions or has limited impact. Remediate within weeks.

EPSS Score (30-day exploit probability)
0.02%
Higher than 3% of vulnerabilities

This is a below-median EPSS score — only 2.8% of tracked vulnerabilities score at or below it, so most tracked vulnerabilities are considered more likely to be exploited than this one.

Also Known As

GHSA-2x45-7fc3-mxwq

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