CVE-2026-28479 OpenClaw < 2026.2.15 - Cache Poisoning via Deprecated SHA-1 Hash in Sandbox Configuration
Attackers can exploit SHA-1 collisions to poison sandbox caches, enabling unsafe state reuse and bypassing isolation in OpenClaw.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-28479?
CVE-2026-28479 is a high-severity vulnerability in Openclaw Openclaw, published on 5 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OpenClaw versions prior to 2026.2.15 use SHA-1 to hash sandbox identifier cache keys for Docker and browser sandbox configurations, which is deprecated and vulnerable to collision attacks. An attacker can exploit SHA-1 collisions to cause cache poisoning, allowing one sandbox configuration to be misinterpreted as another and enabling unsafe sandbox state reuse.
Weakness: CWE-327
Which versions are affected by CVE-2026-28479?
2 open source packages ship an affected version, including openclaw. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
openclaw npm | All versions | 2026.2.15 |
openclaw npm | All versions | 2026.2.15 |
Products include Openclaw Openclaw.
How do I fix CVE-2026-28479?
Upgrade openclaw to 2026.2.15 or later.
Is CVE-2026-28479 being exploited?
There is no known exploitation of CVE-2026-28479 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-fh3f-q9qw-93j9.