CVE-2026-21641
HackerOne community member Jad Ghamloush (0xjad) has reported an authorization bypass...
HackerOne community member Jad Ghamloush (0xjad) has reported an authorization bypass vulnerability in the tracker-delete.php script of Revive Adserver. Users with permissions to delete trackers are mistakenly allowed to delete trackers owned by other accounts.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
HackerOne community member Jad Ghamloush (0xjad) has reported an authorization bypass vulnerability in the tracker-delete.php script of Revive Adserver. Users with permissions to delete trackers are mistakenly allowed to delete trackers owned by other accounts.
- Record
CVE-2026-21641- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L - Weakness
- CWE-285
- Updated
- 2026-11-02
EUVDEUVD-2026-3341
HackerOne community member Jad Ghamloush (0xjad) has reported an authorization bypass vulnerability in the tracker-delete.php script of Revive Adserver. Users with permissions to delete trackers are mistakenly allowed to delete trackers owned by other accounts.
- Record
EUVD-2026-3341- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-2prx-vw7r-hjgr
HackerOne community member Jad Ghamloush (0xjad) has reported an authorization bypass...
HackerOne community member Jad Ghamloush (0xjad) has reported an authorization bypass vulnerability in the tracker-delete.php script of Revive Adserver. Users with permissions to delete trackers are mistakenly allowed to delete trackers owned by other accounts.
- Record
GHSA-2prx-vw7r-hjgr- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L - Weakness
- CWE-285
- Updated
- 2026-11-02
NVD
HackerOne community member Jad Ghamloush (0xjad) has reported an authorization bypass vulnerability in the tracker-delete.php script of Revive Adserver. Users with permissions to delete trackers are mistakenly allowed to delete trackers owned by other accounts.
- Record
CVE-2026-21641- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L - Weakness
- CWE-285
- Updated
- 2026-11-02
OSV
HackerOne community member Jad Ghamloush (0xjad) has reported an authorization bypass vulnerability in the tracker-delete.php script of Revive Adserver. Users with permissions to delete trackers are mistakenly allowed to delete trackers owned by other accounts.
- Record
CVE-2026-21641- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-21641 is a high vulnerability (CVSS 7.1) in Aquaplatform Revive Adserver, published January 20, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.