A deserialization vulnerability in the destruct() function of Laravel v8.5.9 allows…
Priority HIGH 76CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-502.
Summary
A deserialization vulnerability in the destruct() function of Laravel v8.5.9 allows attackers to execute arbitrary commands.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0132 71st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-28254
- 2026-10-03 Alias added: GHSA-5hq5-9pj6-4c2r
More Laravel vulnerabilities
- TI-2018-10827 In Laravel Framework through 5.5.40 and 5.6.x through 5.6.29, remote code execution might… KEVCVSS 3.1HIGH 8.1
- TI-2022-02662 laravel deserialization CVSS 3.1CRITICAL 9.8
- TI-2017-12436 In Laravel framework through 5.5.21, remote attackers can obtain sensitive information… CVSS 3.0HIGH 7.5
- TI-2022-02676 Laravel deserialization CVSS 3.1HIGH 8.8
- TI-2021-04364 Query Binding Exploitation in Laravel CVSS 3.1HIGH 7.2
- TI-2020-15251 An issue was discovered in Laravel before 6.18.35 and 7.x before 7.24.0. CVSS 3.1HIGH 7.5
Sources
- CVE-2021-28254 · CVE Program
- CVE-2021-28254 · NVD
- FIRST EPSS
- GHSA-5hq5-9pj6-4c2r · GitHub Advisory Database · CC BY 4.0
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