CVE-2026-3193: A vulnerability was detected in Chia Blockchain 2.1.0

Routine

LOW 3.1DOWNGRADE

CVE-2026-3193 is a low-severity flaw (CVSS 3.1) affecting blockchain. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 reaso

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	3.1 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-352, CWE-862
Published	2026-02-25
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: chia

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-25 17:25 UTCPublished CVE record published
2026-06-17 10:43 UTCUpdated Record last modified

chia blockchain DOWNGRADE

Affected: 2.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1.0

1. Check installed version

apt-cache policy blockchain || rpm -q blockchain || blockchain --version

2. No fixed release: DOWNGRADE to a release before 2.1.0 (Debian / Ubuntu)

apt-cache madison blockchain sudo apt install blockchain=<VERSION_BEFORE_2.1.0> sudo apt-mark hold blockchain

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list blockchain sudo dnf downgrade blockchain-<VERSION_BEFORE_2.1.0> sudo dnf versionlock add blockchain

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-3193?

blockchain: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-3193 being exploited?

CVE-2026-3193 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-3193 affect?

CVE-2026-3193 affects blockchain. Severity is low (CVSS 3.1). 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 hig

How urgent is CVE-2026-3193?

Priority 20/100. Public exploit reference

Related CVEs

CVE-2026-3194 MEDIUM 4.5 DOWNGRADE A flaw has been found in Chia Blockchain 2.1.0
CVE-2026-3192 MEDIUM 5.6 DOWNGRADE A security vulnerability has been detected in Chia Blockchain 2.1.0

References

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