CVE-2026-41362: OpenClaw versions 2026.2.19 before 2026.3.31 contain an improper cache isolation vulnerability in the Zalo web

Q: How do I fix CVE-2026-41362?

openclaw: upgrade to 2026.3.31. Exact commands for each OS are on this page.

Q: Is CVE-2026-41362 being exploited?

CVE-2026-41362 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-2026-41362 affect?

CVE-2026-41362 affects openclaw. Severity is medium (CVSS 4.3). OpenClaw versions 2026.2.19 before 2026.3.31 contain an improper cache isolation vulnerability in the Zalo webhook replay-dedupe mechanism that is shared across authenticated webhook targets. Attackers controlling one authenticated Zalo web

Q: How urgent is CVE-2026-41362?

Priority 20/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2026-41362 is a medium-severity flaw (CVSS 4.3) affecting openclaw. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OpenClaw versions 2026.2.19 before 2026.3.31 contain an improper cache isolation vulnerability in the Zalo webhook replay-dedupe mechanism that is shared across authenticated webhook targets. Attackers controlling one authenticated Zalo webhook path in multi-account deployments can suppress legitimate events on different accounts by matching event_name and message_id parameters.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 80%)
CISA exploited list	No
Weakness	CWE-668
Published	2026-04-28
Last modified	2026-07-24

Publisher (CNA): VulnCheck · Vendor: openclaw

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-28 00:16 UTCPublished CVE record published
2026-07-24 21:10 UTCUpdated Record last modified

openclaw openclaw UPGRADE

Affected: >= 2026.2.19 and < 2026.3.31

Fixed in: 2026.3.31

Safe to downgrade to: a release before 2026.2.19

1. Check installed version

npm ls openclaw

2. UPGRADE to 2026.3.31

npm install openclaw@">=2026.3.31"

3. If no update is available yet, DOWNGRADE to a release before 2026.2.19

npm view openclaw versions npm install openclaw@"<2026.2.19"

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-2026-41362?

openclaw: upgrade to 2026.3.31. Exact commands for each OS are on this page.

Is CVE-2026-41362 being exploited?

CVE-2026-41362 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-2026-41362 affect?

CVE-2026-41362 affects openclaw. Severity is medium (CVSS 4.3). OpenClaw versions 2026.2.19 before 2026.3.31 contain an improper cache isolation vulnerability in the Zalo webhook replay-dedupe mechanism that is shared across authenticated webhook targets. Attackers controlling one authenticated Zalo web

How urgent is CVE-2026-41362?

Priority 20/100. No elevated risk signals yet.

Related CVEs

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CVE-2026-53851 MEDIUM 5.3 UPGRADE OpenClaw before 2026.5.12 contains a notification bypass vulnerability allowing Slack reaction events to enter
CVE-2026-53846 HIGH 7.1 UPGRADE OpenClaw before 2026.4.29 contains a path traversal vulnerability in the install helper that allows workspace
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References

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