CVE-2026-33576
mediumpriority · track · 0OT risk · elevatedEPSS 0.004 · 29 %ileDEEUUSEPSS · scored 2026-10-27
OpenClaw before 2026.3.28 downloads and stores inbound media from Zalo channels before validating sender authorization. Unauthorized senders can force network fetches and disk writes to the media store by sending messages that are subsequently rejected.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–critical · 2.7–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-0930OpenClaw: Mehrere SchwachstellenDeutsch2026-03-30csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in OpenClaw ausnutzen, um erweiterte Rechte zu erlangen, beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand herbeizuführen oder andere, nicht näher spezifizierte Angriffe durchzuführen.
- GHSA-v2v2-f783-358jOpenClaw: Zalo channel downloads media before sender authorization2026-03-31ghsa · osvUS
## Summary The Zalo image path fetched and stored inbound media before the DM/pairing authorization checks ran. ## Impact Unauthorized senders could force network fetches and disk writes in the inbound media store even when the message itself was rejected. ## Affected Component `extensions/zalo/src/monitor.ts` ## Fixed Versions - Affected: `<= 2026.3.24` - Patched: `>= 2026.3.28` - Latest stable `2026.3.28` contains the fix. ## Fix Fixed by commit `68ceaf7a5f` (`zalo: gate image downloads before DM auth`). OpenClaw thanks @AntAISecurityLab for reporting.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312acnnvd
- https://github.com/openclaw/openclaw/releasesPatchcnnvd
- https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358jcnnvd
- https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channelcnnvd
- https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312aenisa_euvd
- https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358jenisa_euvd
- https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channelenisa_euvd
- https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312aPatchnvd
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