Leaderboard
Researcher rankings
Researchers ranked by advisory credits across Apple, Microsoft, Jenkins, Drupal, and every other vendor whose security releases we index. Based on 353 credit lines in published advisories.
All vendors
Microsoft 11,446
Apple 7,654
Google Chrome 1,659
Drupal 1,646
Mozilla 1,421
Jenkins 1,414
GitLab 344
Roundcube 180
Frappe 179
FreeRDP 163
Red Hat 156
Apache 97
Open-webui 79
ImageMagick 61
Sgl-project 52
Eclipse Foundation 50
Getgrav 44
Curl 36
Totolink 33
OpenSSL 33
Linux 29
Hexpm 26
Advantech 25
Moodle 24
Zoom 23
Jishenghua 23
Surrealdb 22
Zitadel 22
Progress Software Corporation 21
LogicalDOC 20
Splunk 20
SourceCodester 19
Webkul 18
Edgelesssys 16
@sveltejs 16
Craftcms 15
Erlang 14
Typo3 14
ZcashFoundation 14
Gnome 13
Eosphoros-ai 12
Ginlix-ai 12
Netcore 12
Opencats 12
Progress 11
Linksys 11
GeoVision Inc. 10
Traefik 10
VideoWhisper.com 10
Agno-agi 10
SolarWinds 10
GNU 10
Brainstorm Force 9
Kiloview 9
Otrs 9
ZKTeco 9
Letta-ai 9
DrayTek 9
Dromara 9
Guchengwuyue 8
Moxi624 8
Zen Cart 8
Erzhongxmu 8
Froxlor 8
Gedelumbung 8
GitoxideLabs 8
Erik Debye 8
Fast-uri 8
Unclecode 8
Uselotus 7
TP-Link Systems Inc. 7
Aspose 7
Macrozheng 7
Sahlberg 7
Diem-project 7
Itsourcecode 7
GeoDirectory 7
Krupalshah 6
Admidio 6
Semcms 6
1Panel-dev 6
MISP 6
Arraytics 6
Eptura 6
TrueBooker 6
GDATASoftwareAG 6
Google 6
Fireware OS 6
TDuckCloud 6
nh4tvd 6
Vraj404 5
H3C 5
Thelia 5
HMS Networks 5
Rdesktop 5
Meetecho 5
CGM 5
Librenms 5
NationalSecurityAgency 4
Yungengxin 4
Dav-ee 4
Emersion 4
Hotel Booking 4
Jovancoding 4
Project-MONAI 4
Ministry of Justice General Directorate of Information Technology 4
Eleveo 4
Pbuchbinder 4
Opensource-socialnetwork 4
Otter Blocks 4
ElementsReady Addons for Elementor 4
Cure53 4
Magepeople inc. 4
Siyuan-note 4
WatchGuard Fireware OS 4
Tencent 4
VideoLAN 4
Easy Property Listings 4
FacturaScripts 4
Satya-vinay 4
CervantesSec 4
Deepseek-ai 4
Oretnom23 4
GitroomHQ 3
ACF Extended 3
Yangzongzhuan 3
SQLite 3
DeepPavlov 3
Travisun 3
LiteSpeed Cache 3
WuKongOpenSource 3
Parse-community 3
Westboy 3
Cloudflare 3
Camunda 3
aaPanel 3
Lavalite 3
Krayin 3
Codepeople 3
VertiGIS Ltd. 3
E4jvikwp 3
Netis 3
Sunkaifei 3
Xnau webdesign 3
YunaiV 3
WP ManageNinja LLC 3
BlackBeltTechnology 3
ASUS 3
Studio-Saelix 3
Houtini-ai 3
Subhajitkhan 3
Cozmoslabs 3
The GNU C Library 2
Stirling-Tools 2
Elunez 2
Dell 2
Neo4j 2
Python Software Foundation 2
Twisted 2
Y 2
Gz-yami 2
GPAC 2
MikroTik 1
Grafana 1
Kodezen 1
The Wikimedia Foundation Mediaw 1
Stormshield 1
AWS 1
Zephyrproject 1
E2fsprogs 0
Open-reception 0
C4illin 0
Trusted Domain Project 0
Part-DB 0
MongoDB 0
Okta 0
Pypa 0
GestSup 0
Gnutls 0
Argoproj 0
Openldap 0
Dassault Systèmes 0
A2aproject 0
Hewlett Packard Enterprise 0
Unisoc 0
OpenStack 0
Samsung 0
Zephyrproject-rtos 0
Eyeplus 0
HCL 0
WSO2 0
Libxml2 0
Tox-dev 0
David-Crty 0
Intel(R) Processors 0
Bytecodealliance 0
IBM 0
Util-linux 0
Ziroom 0
Kernel 0
Vitejs 0
Python 0
Py-pdf 0
FOSSBilling 0
YS-infoware 0
Vitest-dev 0
Nodejs 0
Linux Kernel 0
Kvcache-ai 0
Fortinet 0
Markdown-it 0
OpenPrinting 0
DevaslanPHP 0
Qt 0
Mljar 0
Https://github.com/curl/curl 0
Python-pillow 0
HAProxy 0
Cacti 0
Aio-libs 0
Oracle Corporation 0
Apostrophecms 0
openGauss-server 0
NewType Infortech 0
Authlib 0
Siemens 0
The-40-Thieves 0
OpenVPN 0
Systemd 0
Intranda 0
#1
Marcus Johansson (marcus_johansson)
93 credits
42 CVEs Aug 2026 → Oct 2026
89 CVE 4 other
93
credits
#2
Lee Rowlands (larowlan) of the Drupal Security Team
64 credits
33 CVEs Mar 2025 → Oct 2026
7 CVE 57 other
64
credits
#3
Drew Webber (mcdruid) of the Drupal Security Team
63 credits
36 CVEs Feb 2025 → Oct 2026
41 CVE 22 other
63
credits
#4
Jacob Rockowitz (jrockowitz)
42 credits
21 CVEs Jul 2026 → Sep 2026
42
credits
#5
Lee Rowlands of the Drupal Security Team
41 credits
21 CVEs Feb 2022 → Nov 2024
41
credits
#6
Pierre Rudloff (prudloff) of the Drupal Security Team
34 credits
18 CVEs Jul 2026 → Oct 2026
31 CVE 3 other
34
credits
#7
Sudhanshu Dhage (sudhanshu0542)
33 credits
14 CVEs Aug 2026 → Oct 2026
15 CVE 18 other
33
credits
#8
xjm of the Drupal Security Team
32 credits
17 CVEs Nov 2021 → Oct 2024
32
credits
#9
Drew Webber of the Drupal Security Team
23 credits
11 CVEs Jan 2022 → Nov 2024
6 CVE 17 other
23
credits
#10
Jess (xjm) of the Drupal Security Team
21 credits
11 CVEs Mar 2025 → Oct 2026
21
credits
#11
Roushan Kumar Singh (roushan59227)
20 credits
10 CVEs Sep 2026 → Sep 2026
20
credits
#12
Alex Bronstein of the Drupal Security Team
19 credits
9 CVEs Jan 2022 → Sep 2023
19
credits
#13
Dave Long (longwave) of the Drupal Security Team
18 credits
10 CVEs Feb 2025 → Oct 2026
2 CVE 16 other
18
credits
#14
Benji Fisher (benjifisher) of the Drupal Security Team
18 credits
10 CVEs Feb 2025 → Oct 2026
18
credits
#15
Liam Morland (liam morland)
18 credits
9 CVEs Jul 2026 → Sep 2026
18
credits
#16
catch (catch) of the Drupal Security Team
17 credits
9 CVEs Feb 2025 → Oct 2026
17
credits
#17
Juraj Nemec (poker10) of the Drupal Security Team
16 credits
8 CVEs Feb 2025 → Oct 2026
16
credits
#18
Sven Decabooter (svendecabooter)
16 credits
7 CVEs Feb 2025 → Oct 2026
10 CVE 6 other
16
credits
#19
Dave Long, provisional member of the Drupal Security Team
15 credits
8 CVEs Feb 2022 → Sep 2022
15
credits
#20
Brian Willows (hsjbrianwillows)
15 credits
5 CVEs Sep 2026 → Oct 2026
15 CVE
15
credits
#21
Joshua Sedler (grevil)
14 credits
8 CVEs Jul 2026 → Oct 2026
4 CVE 10 other
14
credits
#22
Wim Leers
14 credits
8 CVEs Nov 2021 → Nov 2024
14
credits
#23
Dan Chadwick (danchadwick)
12 credits
6 CVEs Jul 2026 → Sep 2026
12
credits
#24
Alex Pott of the Drupal Security Team
11 credits
7 CVEs Mar 2022 → Nov 2024
11
credits
#25
Ra Mänd (ram4nd), provisional member of the Drupal Security Team
11 credits
6 CVEs Nov 2025 → Oct 2026
1 CVE 10 other
11
credits
#26
Michael Maturi (michaelmaturi)
11 credits
5 CVEs May 2026 → Oct 2026
11 CVE
11
credits
#27
Julian Pustkuchen (anybody)
10 credits
6 CVEs Jul 2026 → Oct 2026
2 CVE 8 other
10
credits
#28
Artem Dmitriiev (a.dmitriiev)
10 credits
6 CVEs Sep 2026 → Oct 2026
2 CVE 8 other
10
credits
#29
Greg Knaddison of the Drupal Security Team
10 credits
4 CVEs Nov 2021 → Nov 2024
10
credits
#30
Benji Fisher, provisional member of the Drupal Security Team
10 credits
6 CVEs Apr 2022 → Sep 2022
10
credits
#31
Neil Drumm (drumm) of the Drupal Security Team
10 credits
5 CVEs Nov 2025 → Apr 2026
10
credits
#32
Pierre Rudloff (prudloff)
10 credits
10 CVEs Oct 2026 → Oct 2026
10 CVE
10
credits
#33
Greg Knaddison (greggles) of the Drupal Security Team
10 credits
5 CVEs Nov 2025 → Sep 2026
10
credits
#34
Benji Fisher of the Drupal Security Team
9 credits
5 CVEs Jan 2023 → Nov 2024
9
credits
#35
Tin Nguyen Huu (s4m0y3d)
9 credits
3 CVEs Sep 2026 → Oct 2026
9 CVE
9
credits
#36
Heine of the Drupal Security Team
9 credits
5 CVEs Jun 2022 → Apr 2023
3 CVE 6 other
9
credits
#37
Damien McKenna of the Drupal Security Team
9 credits
5 CVEs Mar 2022 → Apr 2023
2 CVE 7 other
9
credits
#38
Hemant Gupta (guptahemant)
8 credits
4 CVEs Sep 2026 → Oct 2026
8 CVE
8
credits
#39
cilefen of the Drupal Security Team
8 credits
5 CVEs May 2022 → Nov 2024
8
credits
#40
James Gilliland (neclimdul) of the Drupal Security Team
8 credits
4 CVEs Nov 2025 → Oct 2026
8
credits
#41
Mingsong (mingsong), provisional member of the Drupal Security Team
8 credits
5 CVEs Nov 2025 → Oct 2026
8
credits
#42
Dave Long of the Drupal Security Team
8 credits
3 CVEs Jan 2023 → Nov 2024
8
credits
#43
Fabian Franz
8 credits
4 CVEs Feb 2022 → Nov 2024
8
credits
#44
Conrad Lara (cmlara)
8 credits
4 CVEs Aug 2026 → Oct 2026
8 CVE
8
credits
#45
Brian Osborne (bkosborne)
8 credits
4 CVEs Aug 2026 → Sep 2026
2 CVE 6 other
8
credits
#46
Jen Lampton, provisional member of the Drupal Security Team
8 credits
4 CVEs Feb 2022 → Apr 2023
8
credits
#47
Joseph Olstad (joseph.olstad)
8 credits
5 CVEs Aug 2026 → Oct 2026
8
credits
#48
Adam Bramley (acbramley)
7 credits
3 CVEs Aug 2026 → Oct 2026
3 CVE 4 other
7
credits
#49
Juraj Nemec of the Drupal Security Team
7 credits
4 CVEs Jan 2024 → Nov 2024
7
credits
#50
Valery Lourie (valthebald)
6 credits
3 CVEs Sep 2026 → Sep 2026
6
credits