The RSA 1.5 algorithm implementation in the JOSE_JWE class in JWE.php in jose-php before…
Priority LOW 28CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
The RSA 1.5 algorithm implementation in the JOSE_JWE class in JWE.php in jose-php before 2.2.1 lacks the Random Filling protection mechanism, which makes it easier for remote attackers to obtain cleartext data via a Million Message Attack (MMA).
Why it matters now
EPSS 0.01744 77th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jose-php_project:jose-php:*:*:*:*:*:*:*:* | before 2.2.1 | Vulnerable | Jose-php Project |
- cpe:2.3:a:jose-php_project:jose-php:*:*:*:*:*:*:*:* Versions before 2.2.1 Vulnerable ·Jose-php Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-5430
- 2026-10-03 Alias added: GHSA-ph35-xjxx-64r9
References
More Jose-php Project Jose-php vulnerabilities
- TI-2016-04704 jose-php before 2.2.1 does not use constant-time operations for HMAC comparison, which… CVSS 3.1LOW 3.7
Sources
- CVE-2016-5430 · CVE Program
- CVE-2016-5430 · NVD
- FIRST EPSS
- GHSA-ph35-xjxx-64r9 · GitHub Advisory Database · CC BY 4.0
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