CVE-2025-25500: An issue in CosmWasm prior to v2.2.0 allows attackers to bypass capability restrictions in blockchains by expl

Q: How do I fix CVE-2025-25500?

cosmwasm: upgrade to 2.2.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-25500 being exploited?

CVE-2025-25500 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-25500 affect?

CVE-2025-25500 affects cosmwasm. Severity is high (CVSS 7.5). An issue in CosmWasm prior to v2.2.0 allows attackers to bypass capability restrictions in blockchains by exploiting a lack of runtime capability validation. This allows attackers to deploy a contract without capability enforcement, and exe

Q: How urgent is CVE-2025-25500?

Priority 45/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2025-25500 is a high-severity flaw (CVSS 7.5) affecting cosmwasm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in CosmWasm prior to v2.2.0 allows attackers to bypass capability restrictions in blockchains by exploiting a lack of runtime capability validation. This allows attackers to deploy a contract without capability enforcement, and execute unauthorized actions on the blockchain.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-284
Published	2025-03-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cosmwasm

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

Am I affected?

Timeline

2025-03-18 14:15 UTCPublished CVE record published
2026-06-17 09:00 UTCUpdated Record last modified

cosmwasm cosmwasm UPGRADE

Affected: < 2.2.0

Fixed in: 2.2.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2.2.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cosmwasm

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cosmwasm

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2025-25500?

cosmwasm: upgrade to 2.2.0. Exact commands for each OS are on this page.

Is CVE-2025-25500 being exploited?

CVE-2025-25500 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-2025-25500 affect?

CVE-2025-25500 affects cosmwasm. Severity is high (CVSS 7.5). An issue in CosmWasm prior to v2.2.0 allows attackers to bypass capability restrictions in blockchains by exploiting a lack of runtime capability validation. This allows attackers to deploy a contract without capability enforcement, and exe

How urgent is CVE-2025-25500?

Priority 45/100. High severity; Remotely exploitable, no login, no user action

References

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