CVE-2026-50739

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Summary

CVECVE-2026-50739
StatePUBLISHED
Assignerhackerone
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-26 02:16:53 UTC
Updated2026-06-29 20:22:51 UTC
DescriptionA bypass for CVE‑2026‑34913 exists with proper ownership validation that had not been applied to the reverse operation of linking campaigns and trackers through the `tracker-campaigns.php` script in Revive Adserver 6.0.7 and earlier. As a result, a low‑privileged user could link their trackers to campaigns owned by other managers on the same instance, leading to inconsistent ownership relationships.

Risk And Classification

Primary CVSS: v3.0 4.3 MEDIUM from [email protected]

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS: 0.002720000 probability, percentile 0.188970000 (date 2026-06-30)

Problem Types: CWE-284 | CWE-284 CWE-284 Improper Access Control - Generic

VersionSourceTypeScoreSeverityVector
3.0[email protected]Secondary4.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
3.0CNADECLARED4.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Revive-adserver Revive Adserver All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Revive Adserver affected 6.0.7 semver Not specified

References

ReferenceSourceLinkTags
hackerone.com/reports/3780709 [email protected] hackerone.com Issue Tracking, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: hakuopi (en)

CNA: sy2no (en)

CNA: garuthacktvist (en)

CNA: aszh (en)

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