Leaderboard
Researcher rankings
Who has the most advisory credits — across Apple, Microsoft, Jenkins, Drupal, and every other vendor whose security releases we index. Derived from 223 credit lines on published advisories.
All vendors
Apple 6,109
Microsoft 4,417
Jenkins 1,110
Google Chrome 969
Mozilla 660
Drupal 484
GitLab 250
Zoom 13
Moodle 10
#1
Daniel Beck, CloudBees, Inc.
150 credits
137 CVEs May 2019 → Sep 2026
137 CVE 13 other
150
credits
#2
Kevin Guerroudj, CloudBees, Inc.
120 credits
115 CVEs Jan 2022 → Aug 2026
115 CVE 5 other
120
credits
#3
Wadeck Follonier, CloudBees, Inc.
106 credits
103 CVEs May 2019 → Mar 2024
103 CVE 3 other
106
credits
#4
Yaroslav Afenkin, CloudBees, Inc.
56 credits
52 CVEs Jun 2022 → Dec 2025
52 CVE 4 other
56
credits
#5
James Holderness, IB Boost
46 credits
45 CVEs Sep 2019 → Sep 2020
45 CVE 1 other
46
credits
#6
Valdes Che Zogou, CloudBees, Inc.
34 credits
30 CVEs Jun 2022 → Aug 2023
30 CVE 4 other
34
credits
#7
dyingman1 (https://github.com/dyingman1, redpoc Offensive Security Team)
25 credits
24 CVEs Apr 2026 → Sep 2026
24 CVE 1 other
25
credits
#8
Andrea Chiera, CloudBees, Inc.
22 credits
22 CVEs Jul 2023 → Mar 2024
22 CVE
22
credits
#9
CC Bomber, Kitri BoB
21 credits
21 CVEs Nov 2022 → Oct 2025
21 CVE
21
credits
#10
Viktor Gazdag NCC Group
20 credits
18 CVEs Sep 2019 → Dec 2019
18 CVE 2 other
20
credits
#11
Oleg Nenashev, CloudBees, Inc.
20 credits
17 CVEs May 2019 → Dec 2022
17 CVE 3 other
20
credits
#12
Samy Medjahed (Ap4sh)
20 credits
19 CVEs Apr 2026 → Sep 2026
19 CVE 1 other
20
credits
#13
Long Nguyen, Viettel Cyber Security
19 credits
19 CVEs Oct 2020 → Jan 2023
19 CVE
19
credits
#14
Eliott Laurie (Ethicxz)
19 credits
19 CVEs Apr 2026 → Sep 2026
19 CVE
19
credits
#15
Jesse Glick, CloudBees, Inc.
19 credits
18 CVEs May 2019 → May 2025
18 CVE 1 other
19
credits
#16
Kevin Guerroudj
18 credits
18 CVEs Mar 2021 → Jun 2022
18 CVE
18
credits
#17
Romuald Moisan, Aix Marseille University
18 credits
18 CVEs Mar 2025 → Jun 2026
18 CVE
18
credits
#18
David Fiser of Trend Micro Nebula working with Trend Micro's Zero Day Initiative
17 credits
17 CVEs Jul 2019 → Oct 2019
17 CVE
17
credits
#19
Alvaro Muñoz (@pwntester), GitHub Security Lab
17 credits
17 CVEs May 2023 → Aug 2023
17 CVE
17
credits
#20
Matt Sicker, CloudBees, Inc.
13 credits
13 CVEs Nov 2019 → Sep 2022
13 CVE
13
credits
#21
James Nord, CloudBees, Inc.
12 credits
12 CVEs Jan 2022 → Dec 2025
12 CVE
12
credits
#22
Federico Pellegrin
11 credits
11 CVEs Jan 2020 → Sep 2020
11 CVE
11
credits
#23
Son Nguyen (@s0nnguy3n_)
9 credits
9 CVEs Jan 2021 → Aug 2022
9 CVE
9
credits
#24
Jeff Thompson, CloudBees, Inc.
9 credits
9 CVEs Oct 2020 → Sep 2022
9 CVE
9
credits
#25
Justin Philip
8 credits
7 CVEs Mar 2021 → Jun 2022
7 CVE 1 other
8
credits
#26
Marc Heyries
7 credits
7 CVEs Mar 2021 → Sep 2022
7 CVE
7
credits
#27
Nils Emmerich of ERNW Research GmbH
6 credits
6 CVEs Sep 2019 → Mar 2020
6 CVE
6
credits
#28
Devin Nusbaum, CloudBees, Inc.
6 credits
5 CVEs Sep 2020 → Jul 2023
5 CVE 1 other
6
credits
#29
Vincent Lardet, Aix Marseille University
6 credits
6 CVEs Apr 2025 → Oct 2025
6 CVE
6
credits
#30
Pierre Beitz, CloudBees, Inc.
5 credits
5 CVEs Aug 2020 → Oct 2025
5 CVE
5
credits
#31
Tony Torralba (@atorralba), GitHub Security Lab
5 credits
5 CVEs May 2023 → Jul 2023
5 CVE
5
credits
#32
Bun (@bunmamd4cb13t)
4 credits
4 CVEs Sep 2026 → Sep 2026
4 CVE
4
credits
#33
Aris ISSAD, Aix Marseille University
4 credits
4 CVEs Jul 2025 → Oct 2025
4 CVE
4
credits
#34
Thomas de Grenier de Latour
4 credits
3 CVEs Oct 2019 → Feb 2020
3 CVE 1 other
4
credits
#35
Zaoui Zakariae, Aix Marseille University
4 credits
4 CVEs Apr 2025 → Jul 2025
4 CVE
4
credits
#36
Lotfi Yahi, Aix Marseille University
4 credits
4 CVEs Mar 2025 → Oct 2025
4 CVE
4
credits
#37
Said Abdesslem Messadi, Aix Marseille University
4 credits
4 CVEs Mar 2025 → Oct 2025
4 CVE
4
credits
#38
Kevin Guerroudj, CloudBees, Inc., Wadeck Follonier, CloudBees, Inc.
4 credits
4 CVEs Apr 2022 → Oct 2022
4 CVE
4
credits
#39
Matt Sicker, CloudBees Inc.
3 credits
3 CVEs Sep 2019 → Oct 2019
3 CVE
3
credits
#40
Vitaly Simonovich (https://www.vitalysim.com)
3 credits
3 CVEs Aug 2026 → Sep 2026
3 CVE
3
credits
#41
Raihaan Shouhell, Autodesk, Inc
3 credits
3 CVEs Mar 2020 → Oct 2020
3 CVE
3
credits
#42
Wadeck Follonier, CloudBees Inc.
3 credits
3 CVEs Sep 2019 → Jul 2023
3 CVE
3
credits
#43
Kevin Guerroudj, Justin Philip, Marc Heyries
3 credits
3 CVEs May 2021 → Apr 2022
3 CVE
3
credits
#44
Daniel Kalinowski of ISEC.pl Research Team
3 credits
3 CVEs Feb 2020 → Mar 2020
3 CVE
3
credits
#45
Quentin Parra
3 credits
3 CVEs Mar 2022 → Jun 2022
3 CVE
3
credits
#46
Cheng Gao, Alibaba Cloud Intelligence Security Team, https://www.aliyun.com/
3 credits
3 CVEs Dec 2019 → Mar 2020
3 CVE
3
credits
#47
Tim Jacomb
2 credits
1 CVE Aug 2020 → Apr 2023
1 CVE 1 other
2
credits
#48
Oleg Nenashev
2 credits
2 CVEs Jan 2022 → Feb 2022
2 CVE
2
credits
#49
Kai Aizen, SnailSploit
2 credits
2 CVEs Aug 2026 → Sep 2026
2 CVE
2
credits
#50
Han, JunGyu
2 credits
2 CVEs Sep 2026 → Sep 2026
2 CVE
2
credits