cdbattags lua-resty-jwt 0.2.3 allows attackers to bypass all JWT-parsing signature checks…
Priority HIGH 68CWE-290Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-290.
Summary
cdbattags lua-resty-jwt 0.2.3 allows attackers to bypass all JWT-parsing signature checks by crafting a JWT with an enc header with the value A256GCM.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00658 51st percentileScored 2026-11-07
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
- Partial
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
CPE names CISA-ADP · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cdbattags:lua_resty_jwt:*:*:*:*:*:*:*:* | — | — | — |
- cpe:2.3:a:cdbattags:lua_resty_jwt:*:*:*:*:*:*:*:* Versions — — ·—
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-33531
- 2026-10-03 Alias added: GHSA-vvpg-5wfc-53jj
- 2026-10-11 EPSS moved to the 50th–90th percentile
References
Sources
- CVE-2024-33531 · CVE Program
- CVE-2024-33531 · NVD
- FIRST EPSS
- GHSA-vvpg-5wfc-53jj · GitHub Advisory Database · CC BY 4.0
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