Browse / Valve
Valve
82disclosed reports
$154,300paid in bounties
What gets reported to Valve
Most upvoted reports
AllValidInformativeN/ADuplicate
- RCE on Steam Client via buffer overflow in Server InfoClassic Buffer Overflow · critical1,289 votes
- Getting all the CD keys of any gameImproper Access Control - Generic · critical$20,000638 votes
- XSS in steam react chat clientCross-site Scripting (XSS) - Stored · critical$7,500499 votes
- Modify in-flight data to payment provider Smart2PayBusiness Logic Errors · critical$7,500443 votes
- Panorama UI XSS leads to Remote Code Execution via Kick/Disconnect MessageCode Injection · critical420 votes
- SQL Injection in report_xml.php through countryFilter[] parameterSQL Injection · critical$25,000410 votes
- Malformed .BMP file in Counter-Strike 1.6 may cause shellcode injectionClassic Buffer Overflow · high321 votes
- Malformed NAV file leads to buffer overflow and code execution in Left4Dead2.exeClassic Buffer Overflow · critical$10,000268 votes
- Unchecked weapon id in WeaponList message parser on client leads to RCEArray Index Underflow · critical$3,000229 votes
- OOB reads in network message handlers leads to RCEOut-of-bounds Read · critical$7,500219 votes
- RCE on CS:GO client using unsanitized entity ID in EntityMsg messageOut-of-bounds Read · critical$9,000209 votes
- Buffer overrun in Steam SILK voice decoderClassic Buffer Overflow · critical$7,500196 votes
- [Portal 2] Remote Code Execution via voice packetsClassic Buffer Overflow · critical$5,000173 votes
- [Half-Life 1] Malformed map name leads to memory corruption and code executionClassic Buffer Overflow · high$1,500163 votes
- Malformed .BSP Access Violation in CS:GO can lead to Remote Code ExecutionClassic Buffer Overflow · critical154 votes
- MySQL username and password leaked in developer.valvesoftware.com via source code dislosurePassword in Configuration File · medium123 votes
- [help.steampowered.com] Account takeover bruteforcing SteamGuardBusiness Logic Errors · high$2,500112 votes
- ISteamAssets gives partners control over unrelated community market transactionsImproper Access Control - Generic · high109 votes
- Specially Crafted Closed Captions File can lead to Remote Code Execution in CS:GO and other Source GamesClassic Buffer Overflow · critical$7,500109 votes
- Malformed save files (.sav) allow to write files with arbitrary extensions and content in GoldSrc-based games.Malware · high$1,50099 votes
- Malformed .MDL triggers an Access Violation on GoldSRC (hl.exe)Memory Corruption - Generic · high90 votes
- Access to microtransaction sales data for lots of apps from 2014 to present at /valvefinance/sanity/Improper Access Control - Generic · critical88 votes
- ImageMagick GIF coder vulnerability leading to memory disclosureInformation Disclosure · medium86 votes
- [steam client] Opening a specific steam:// url overwrites files at an arbitrary locationWrite-what-where Condition · medium$75080 votes
- Arbitrary File Write as SYSTEM from unprivileged userInformativePrivilege Escalation · high$1,25071 votes
- CS:GO Server -> Client RCE through OOB access in CSVCMsg_SplitScreen + Info leak in HTTP downloadOut-of-bounds Read · critical$7,50066 votes
- Malformed playlist.txt in GoldSrc games leads to Access Violation & arbitrary code executionStack Overflow · high$1,00062 votes
- Big Picture web browser leaks login cookies and discloses sensitive information (may lead to account takeover)Information Disclosure · high60 votes
- Steam chat - trade offer presentation vulnerabilityBusiness Logic Errors · medium60 votes
- [Source Engine] Material path truncation leads to Remote Code ExecutionImproper Input Validation · high$2,50060 votes
- Shell command injection in https://partner.steamgames.com/admin/game/publish/ via screenshot URLOS Command Injection · critical59 votes
- https://srcds.valve.net/find/ is leaking server config / API keysInformation Disclosure · high56 votes
- Add any depot to your app and access its contents without decryption key; via /apps/setcommonredistsImproper Access Control - Generic · high56 votes
- Buffer overflow In hl.exe's launch -game argument allows an attacker to execute arbitrary code locally or from browserStack Overflow · high55 votes
- Link filter protection bypassOpen Redirect · medium55 votes
- Shell command injection in https://partner.steamgames.com/apps/communityitems/ via file extension of item_image_small and item_image_largeCommand Injection - Generic · critical53 votes
- [CS:GO] Unchecked texture file name with TEXTUREFLAGS_DEPTHRENDERTARGET can lead to Remote Code ExecutionStack Overflow · high$2,50048 votes
- Shell command injection in https://partner.steamgames.com/bundles/savestore/ via overwriting asset_path_identifierOS Command Injection · critical47 votes
- WG call injection in /economy/contextcommandCommand Injection - Generic · critical47 votes
- Stored XXS @ https://steamcommunity.com/search/users/#text= via Profile NameCross-site Scripting (XSS) - Stored · medium$75042 votes
- SQL injection in /errors/viewbuild/SQL Injection · critical41 votes
- Arbitrary file creation with semi-controlled content (leads to DoS, EoP and others) at Steam Windows ClientPath Traversal · medium$1,25041 votes
- 40 votes
- Stored XSS in the guide's GameplayVersion (www.dota2.com)Cross-site Scripting (XSS) - Stored · medium$75036 votes
- Signedness issue in ClassInfo message handler leads to RCE on CS:GO clientArray Index Underflow · critical$7,50035 votes
- Read Access to all comments on unauthorized forums' discussions! IDOR! Insecure Direct Object Reference (IDOR) · medium$50034 votes
- Buffer overflows in demo parsingClassic Buffer Overflow · medium33 votes
- Xss was found by exploiting the URL markdown on http://store.steampowered.comCross-site Scripting (XSS) - DOM · medium$1,00032 votes
- Reflected XSS in www.dota2.comCross-site Scripting (XSS) - Reflected · medium32 votes
- Hidden scheduled partner events are propagated to Steam clients in CMsgClientClanStateInformation Disclosure · medium31 votes
- /applications/dpc_(get|post) provide full access to api.steampowered.com with the Dota2 API keyServer-Side Request Forgery (SSRF) · high30 votes
- Malformed map detailed texture files in GoldSrc games lead to Remote Code ExecutionStack Overflow · medium$35030 votes
- Malformed Skybox .TGA in Half-Life (GoldSRC) leads to Access ViolationClassic Buffer Overflow · high30 votes
- LFI in pChart php libraryPath Traversal · high29 votes
- code injection, steam chat clientCode Injection · medium$75028 votes
- unlock self-lock by brute force Improper Restriction of Authentication Attempts · medium$90027 votes
- GoldSrc: Buffer Overflow in DELTA_ParseDelta function leads to RCEStack Overflow · critical$3,00026 votes
- Deleting other people's comments on ModeratorMessagesImproper Authentication - Generic · low$50025 votes
- [GoldSrc] RCE via malformed BSP fileClassic Buffer Overflow · high$45024 votes
- GetReports works for hubs you don't have access toPrivacy Violation · medium$75024 votes
- Privilege Escalation vulnerability in steam's Remote Play feature leads to arbitrary kernel-mode driver installationPrivilege Escalation · medium23 votes
- Unauthorized updates to extended_info properties in /store/ajaxpackagesaveImproper Access Control - Generic · high23 votes
- [GoldSrc] RCE via 'spk' Console CommandClassic Buffer Overflow · high$35023 votes
- [CS 1.6] Map cycle abuse allows arbitrary file read/writeImproper Access Control - Generic · medium$75022 votes
- GetGlobalAchievementPercentagesForApp is missing the same release checks as GetSchemaForGameInformation Disclosure · medium22 votes
- Comment restriction in subsection "Workshop" of domain "steamcommunity.com" can be bypassed using IDORInsecure Direct Object Reference (IDOR) · low22 votes
- Suspended users can bypass UGC upload banImproper Access Control - Generic · low$50022 votes
- Malformed BSP in GoldSrc Engine may cause shellcode injectionClassic Buffer Overflow · high21 votes
- RCE on partner.steampowered.comCommand Injection - Generic · critical19 votes
- resetreportedcount & updatetags doesn't verify appid paramImproper Authentication - Generic · medium$75019 votes
- Steam Deck Single Click Root Remote Code Execution InformativeCode Injection · high$75018 votes
- Potential buffer overflow in demoplayer module of GoldSource EngineClassic Buffer Overflow · low17 votes
- Reflected XSS on help.steampowered.comCross-site Scripting (XSS) - Reflected · medium16 votes
- Aapp name leakage on economy history pageInformation Disclosure · medium16 votes
- ajaxgetachievementsforgame is not guarded for unreleased appsInformation Disclosure · medium$75014 votes
- Malformed .WAV triggers an Access Violation on GoldSRC (hl.exe)Memory Corruption - Generic · medium14 votes
- XSS @ store.steampowered.com via agecheck path nameCross-site Scripting (XSS) - Reflected · medium$75014 votes
- Unfiltered input allows for XSS in "Playtime Item Grants" fieldsCross-site Scripting (XSS) - Stored · medium13 votes
- Add apps to packages 0, 61, 62 with /store/ajaxpackagemergeImproper Access Control - Generic · high12 votes
- CSRF | Ban or unban users in broadcast's chatCross-Site Request Forgery (CSRF) · low12 votes
- [GoldSrc] Remote Code Execution using malicious WAD list in BSP fileStack Overflow · critical$75011 votes
- Vulnerability in GoldSource Engine allows to upload and run an arbitrary DLL on clientMalware · high11 votes