OpenClaw up to 2026.5.6 Retry Endpoint incomplete comparison with missing factors
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 3.36 |
Summary
A vulnerability described as problematic has been identified in OpenClaw up to 2026.5.6. This affects an unknown function of the component Retry Endpoint. Executing a manipulation can lead to incomplete comparison with missing factors. The identification of this vulnerability is CVE-2026-53839. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.
Details
A vulnerability classified as problematic was found in OpenClaw up to 2026.5.6. This vulnerability affects an unknown code block of the component Retry Endpoint. The manipulation with an unknown input leads to a incomplete comparison with missing factors vulnerability. The CWE definition for the vulnerability is CWE-1023. The product performs a comparison between entities that must consider multiple factors or characteristics of each entity, but the comparison does not include one or more of these factors. As an impact it is known to affect confidentiality. CVE summarizes:
OpenClaw before 2026.5.7 contains a hostname validation vulnerability in retry endpoint checks that allows matching hostname prefixes instead of exact hostnames. Attackers can exploit this by crafting a hostname prefix resembling a trusted host to send authentication material to untrusted endpoints.
The advisory is available at github.com. This vulnerability was named CVE-2026-53839 since 06/10/2026. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available.
Upgrading to version 2026.5.7 eliminates this vulnerability.
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Product
Type
Name
Version
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 6.5
CNA Vector (VulnCheck): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Incomplete comparison with missing factorsCWE: CWE-1023
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: OpenClaw 2026.5.7
Timeline
06/10/2026 CVE reserved06/13/2026 Advisory disclosed
06/13/2026 VulDB entry created
06/13/2026 VulDB entry last update
Sources
Product: github.comAdvisory: GHSA-77q5-rr5v-x43q
Status: Confirmed
CVE: CVE-2026-53839 (🔒)
GCVE (CVE): GCVE-0-2026-53839
GCVE (VulDB): GCVE-100-370774
Entry
Created: 06/13/2026 07:01Changes: 06/13/2026 07:01 (76)
Complete: 🔍
Cache ID: 216::103
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