CVE-2026-28452 OpenClaw < 2026.2.14 - Denial of Service via Unguarded Archive Extraction in extractArchive
Attackers can cause resource exhaustion and service unavailability in OpenClaw by submitting malicious high-expansion archives during install or update operations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-28452?
CVE-2026-28452 is a medium-severity denial of service vulnerability in Openclaw Openclaw, published on 5 Mar 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
OpenClaw versions prior to 2026.2.14 contain a denial of service vulnerability in the extractArchive function within src/infra/archive.ts that allows attackers to consume excessive CPU, memory, and disk resources through high-expansion ZIP and TAR archives. Remote attackers can trigger resource exhaustion by providing maliciously crafted archive files during install or update operations, causing service degradation or system unavailability.
Weakness: CWE-770
Which versions are affected by CVE-2026-28452?
4 open source packages ship an affected version, including openclaw and clawdbot. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
openclaw npm | All versions | 2026.2.14 |
openclaw npm | All versions | 2026.2.14 |
clawdbot npm | All versions to 2026.1.24-3 | None |
clawdbot npm | All versions to 2026.1.24-3 | None |
Products include Openclaw Openclaw.
How do I fix CVE-2026-28452?
Upgrade openclaw to 2026.2.14 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-28452 being exploited?
There is no known exploitation of CVE-2026-28452 in the wild and no public exploit code.
Other vulnerabilities in Openclaw Openclaw
- CVE-2026-28363 Security feature bypass in OpenClaw
- CVE-2026-30741 Code injection in n/a
- CVE-2026-33579 OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair Approval
- CVE-2026-32922 OpenClaw < 2026.3.11 - Privilege Escalation via Unvalidated Scope in device.token.rotate
- CVE-2026-32978 OpenClaw < 2026.3.11 - Approval Bypass via Unrecognized Script Runners
Sources
Also known as GHSA-h89v-j3x9-8wqj.