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Vulnerability Details :

CVE-2026-56250

Summary
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At-08 Jul, 2026 | 13:48
Updated At-08 Jul, 2026 | 14:23
Rejected At-
Credits

Capgo - Arbitrary R2 Object Deletion via Mutable r2_path in app_versions

Capgo before 12.128.2 allows upload-scoped API keys to modify the mutable app_versions.r2_path field through PostgREST, enabling retargeting to arbitrary R2 bundle objects. Attackers can patch r2_path to point to victim objects, soft-delete the attacker-controlled version, and trigger the on_version_update cleanup function to delete the victim R2 object, causing denial of service and bundle availability disruption.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulnCheck
Assigner Org ID:83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At:08 Jul, 2026 | 13:48
Updated At:08 Jul, 2026 | 14:23
Rejected At:
▼CVE Numbering Authority (CNA)
Capgo - Arbitrary R2 Object Deletion via Mutable r2_path in app_versions

Capgo before 12.128.2 allows upload-scoped API keys to modify the mutable app_versions.r2_path field through PostgREST, enabling retargeting to arbitrary R2 bundle objects. Attackers can patch r2_path to point to victim objects, soft-delete the attacker-controlled version, and trigger the on_version_update cleanup function to delete the victim R2 object, causing denial of service and bundle availability disruption.

Affected Products
Vendor
Capgo
Product
Capgo
Default Status
unaffected
Versions
Affected
  • From 0 before 12.128.2 (semver)
Unaffected
  • 12.128.2 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-862Missing Authorization
Type: CWE
CWE ID: CWE-862
Description: Missing Authorization
Metrics
VersionBase scoreBase severityVector
4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
Judel777
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/Cap-go/capgo/security/advisories/GHSA-pw8p-5jg6-cxj3
vendor-advisory
https://www.vulncheck.com/advisories/capgo-arbitrary-r2-object-deletion-via-mutable-r2-path-in-app-versions
third-party-advisory
Hyperlink: https://github.com/Cap-go/capgo/security/advisories/GHSA-pw8p-5jg6-cxj3
Resource:
vendor-advisory
Hyperlink: https://www.vulncheck.com/advisories/capgo-arbitrary-r2-object-deletion-via-mutable-r2-path-in-app-versions
Resource:
third-party-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/Cap-go/capgo/security/advisories/GHSA-pw8p-5jg6-cxj3
exploit
Hyperlink: https://github.com/Cap-go/capgo/security/advisories/GHSA-pw8p-5jg6-cxj3
Resource:
exploit
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:disclosure@vulncheck.com
Published At:08 Jul, 2026 | 14:17
Updated At:08 Jul, 2026 | 15:16

Capgo before 12.128.2 allows upload-scoped API keys to modify the mutable app_versions.r2_path field through PostgREST, enabling retargeting to arbitrary R2 bundle objects. Attackers can patch r2_path to point to victim objects, soft-delete the attacker-controlled version, and trigger the on_version_update cleanup function to delete the victim R2 object, causing denial of service and bundle availability disruption.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
N/A
Type: Secondary
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-862Secondarydisclosure@vulncheck.com
CWE ID: CWE-862
Type: Secondary
Source: disclosure@vulncheck.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/Cap-go/capgo/security/advisories/GHSA-pw8p-5jg6-cxj3disclosure@vulncheck.com
N/A
https://www.vulncheck.com/advisories/capgo-arbitrary-r2-object-deletion-via-mutable-r2-path-in-app-versionsdisclosure@vulncheck.com
N/A
https://github.com/Cap-go/capgo/security/advisories/GHSA-pw8p-5jg6-cxj3134c704f-9b21-4f2e-91b3-4a467353bcc0
N/A
Hyperlink: https://github.com/Cap-go/capgo/security/advisories/GHSA-pw8p-5jg6-cxj3
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.vulncheck.com/advisories/capgo-arbitrary-r2-object-deletion-via-mutable-r2-path-in-app-versions
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://github.com/Cap-go/capgo/security/advisories/GHSA-pw8p-5jg6-cxj3
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource: N/A

Change History

0
Information is not available yet

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