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TI-2026-02758 Aliases CVE-2026-3193GHSA-4g2q-86h2-35w4

Chia Blockchain send_transaction cross-site request forgery

Priority MEDIUM 45CWE-352Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
High
Attack requirements
None
Impact type
Tampering, Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-352 and CWE-862.

Summary

A vulnerability was detected in Chia Blockchain 2.1.0. Impacted is an unknown function of the file /send_transaction. The manipulation results in cross-site request forgery. The attack may be performed from remote. The attack requires a high level of complexity. The exploitability is considered difficult. The exploit is now public and may be used. The vendor was informed early via email. A separate report via bugbounty was rejected with the reason "This is by design. The user is responsible for host security".

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00247 16th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and 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
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ChiaBlockchain2.1.0—No fix listedCNA
  • Blockchain VendorChia Affected 2.1.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:chia:blockchain:2.1.0:*:*:*:*:*:*:*2.1.0VulnerableChia
  • cpe:2.3:a:chia:blockchain:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·Chia

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3193
  2. 2026-10-03 Alias added: GHSA-4g2q-86h2-35w4

References

Exploit 1

  • TI-2026-02757 Chia Blockchain RPC Credential rpc_server_base.py _authenticate improper authentication CVSS 4.0MEDIUM 6.3
  • TI-2026-02759 Chia Blockchain RPC Server Master Passphrase get_private_key missing authentication CVSS 4.0LOW 2.0

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences