Hackers Use Codex and DeepSeek AI Agents to Breach 440 PaperCut Servers Worldwide
Attackers used Codex and DeepSeek agents to exploit PaperCut flaws and compromise 440 servers in 48 countries.
82
Vendor
PaperCut
- Mentions · 7d0
- Mentions · 30d3
- All mentions34
- First seenAug 28, 2026
- Last mentioned14d ago
Timeline
34 articles · newest firstHackers Use Hundreds of AI Agents to Exploit PaperCut Servers and Steal Windows Credentials
A threat actor used AI agents to exploit PaperCut, compromising about 440 servers and stealing Windows credentials.
88
Death By A Thousand PaperCuts (PaperCut Pre-Auth RCE Chain and Patch Bypasses WT-2026-0141-0144/CVE-2026-82077/CVE-2026-82078/CVE-2026-81578)
watchTowr details a PaperCut pre-auth RCE chain exploited in the wild and repeated patch bypasses.
86
Hackers Turned a PaperCut Print Server Into a Path to the Domain Controller
Attackers chained two PaperCut MF zero-days to reach an education customer's domain controller in under two days.
80
Papercut AI Swarm Attack Heralds Changes for Cyber Kill Chain
Dark Reading reports AI-driven 'swarm' attacks like the PaperCut incident now span recon, lateral movement and exfiltration, forcing a rethink of the cyber kill chain.
35
Metasploit Wrap Up: This One Goes to Sixteen!
Metasploit adds 16 modules including 10 exploits, five covering CISA KEV vulnerabilities in Cisco, SonicWall, PaperCut, JetBrains and Langflow.
48
AI agents exploited PaperCut flaws to breach 395 organizations
GreyNoise says AI agents running OpenAI's Codex with DeepSeek exploited PaperCut flaws, compromising 440 instances across 395 organizations in 48 countries.
82
PaperCut Flaws Exploited in AI-Powered Attacks
GreyNoise says a Russian-speaking actor used AI to build and deploy exploits hitting 440 PaperCut NG/MF deployments across 395 organizations in 48 countries.
77
PaperCut Replaces Emergency Patches With Fixes for Two Actively Exploited Flaws
PaperCut shipped maintenance releases replacing emergency patches for two actively exploited flaws abused in AI-assisted attacks on 395 organizations.
78
Hundreds of AI agents helped PaperCut attacker hit 395+ orgs, and some went off script
Attacker used hundreds of AI agents powered by Codex and DeepSeek to exploit PaperCut flaws, breaching 395 organizations across 48 countries.
82
AI-powered attack exploited PaperCut flaws to hack 395 organizations
AI-driven campaign exploited PaperCut flaws CVE-2026-81578 and CVE-2026-82078, compromising 440 servers at 395 organizations in 48 countries.
88
PaperCut Attacker Uses Hundreds of AI Agents to Compromise 440+ Instances
GreyNoise and Blackpoint tracked an AI-assisted actor using OpenAI Codex and DeepSeek agents to exploit PaperCut flaws across 440+ instances in 48 countries.
76
Hackers Deploy Hundreds of AI Agents to Compromise 440 PaperCut Servers
AI-agent campaign exploited PaperCut CVE-2026-81578 and CVE-2026-82078, compromising 440 servers at 395 organizations and reaching Domain Admin in 12.
82
Hackers Use Hundreds of AI Agents to Exploit PaperCut Flaws and Compromise 440 Servers Worldwide
A Russian-speaking actor used hundreds of AI agents to exploit PaperCut flaws, compromising 440 servers across 395 organizations in 48 countries.
78
Agents Gone Wild: An AI-Orchestrated Global Campaign Against PaperCut NG/MF
AI-orchestrated campaign exploited PaperCut NG/MF RCE (CVE-2026-81578/82078), compromising 440+ instances at 395 organizations in 48 countries.
82
August 2026 CVE Landscape
Insikt Group catalogs 73 high-impact August 2026 CVEs (43 Very Critical), including PaperCut, Zimbra, and Metabase flaws actively exploited or weaponized.
68
Hackers Are Probing PaperCut Servers, and 47% Still Have No Patch
PaperCut pre-auth RCE CVE-2026-81578 actively exploited; 47% of tracked installs unpatched and exposed to remote code execution.
74
PaperCut Flaws Exploited in Attacks on U.S. and European Schools
Attackers are chaining recently disclosed PaperCut flaws CVE-2026-81578 and CVE-2026-82078 to steal credentials and create privileged accounts at US and European schools.
75
Attackers Exploit PaperCut Flaws to Steal Credentials From Schools and Universities
Attackers exploit newly disclosed PaperCut auth bypass CVE-2026-81578 and RCE CVE-2026-82078 to steal credentials from schools and universities in the US and Europe.
74
The story behind the intelligence
Cisco Talos newsletter features adversary-engagement podcast, flags AI guardrail 'safety penalty' slowing defenders, and recaps McKesson breach and PaperCut patching headlines.
22
Attackers Chain Two PaperCut Flaws to Execute Code Without Authentication
Attackers chain PaperCut NG/MF flaws CVE-2026-81578 and CVE-2026-82078 for unauthenticated RCE; exploitation observed and a second emergency patch issued.
80
Attackers plant remote access tools on compromised PaperCut servers
Attackers chained two PaperCut NG/MF zero-days for unauthenticated access, installing SimpleHelp and AnyDesk remote access tools on compromised servers.
78
CVE-2026-81578 + CVE-2026-82078 | PaperCut NG/MF Authentication Bypass and Unsafe Dynamic Class Loading Vulnerabilities
Two chained PaperCut NG/MF flaws, CVE-2026-81578 and CVE-2026-82078, enable pre-auth RCE, with active exploitation confirmed in customer environments.
88
U.S. CISA adds PaperCut NG/MF flaws to its Known Exploited Vulnerabilities catalog
CISA added two actively exploited PaperCut NG/MF pre-auth flaws to the KEV catalog; federal agencies must patch by September 14.
72
PaperCut security advisory (AV26-858) – Update 2
CISA added actively exploited PaperCut MF/NG flaws CVE-2026-81578 and CVE-2026-82078 to KEV; Canada's Cyber Centre urges Emergency Patch Release 2 for v24-v26.
72
PaperCut NG/MF Zero-day Vulnerability Exploited in the Attacks (CVE-2026-82078 & CVE-2026-81578)
PaperCut NG/MF zero-days CVE-2026-82078 and CVE-2026-81578 are actively exploited, chaining to pre-auth RCE on the Application Server.
84
CISA Adds Two Known Exploited Vulnerabilities to Catalog
CISA added actively exploited PaperCut NG/MF flaws CVE-2026-81578 and CVE-2026-82078 to the KEV catalog, mandating federal patching.
76
PaperCut Zero-Day Exploited in Attacks, Affecting All NG and MF Versions
PaperCut warns of actively exploited zero-day RCE chain CVE-2026-81578 and CVE-2026-82078 affecting all PaperCut NG and MF versions.
78
Week in review: Compromised Zimbra servers, previously patched Citrix NetScaler flaw exploited
Help Net Security's weekly digest highlights 274 compromised Zimbra servers, Gitea and Citrix NetScaler KEV additions, a PaperCut zero-day, and a suspected Iran-linked power plant attack.
25
PaperCut Zero-Day Under Active Attack: Emergency Patch Released
PaperCut warns that a zero-day in NG and MF print management products is being actively exploited, shipping emergency patches with no CVE assigned yet.
76
PaperCut warns of hackers using printer management software flaw in attacks
PaperCut warns of active exploitation of CVE-2026-82078 and CVE-2026-81578 in NG/MF print management software used by universities, corporations, and governments.
78
PaperCut NG/MF Critical Zero-Day Exploited in the Wild
PaperCut confirms active exploitation of critical zero-days CVE-2026-81578 and CVE-2026-82078 in PaperCut NG/MF print management software, with confirmed customer incidents.
86
Print management outfit PaperCut is under 0-day attack, and it’s drawing customers’ blood
PaperCut print management software is under active zero-day attack, with only an unofficial emergency patch or server shutdown available as mitigation.
74
PaperCut Zero-Day: Active Exploitation and Pre-Auth RCE
PaperCut NG/MF hit by a pre-auth RCE zero-day under active exploitation; Huntress reproduced the chain and urged immediate patching.
82
Related CVEs
by mentions- CVE-2026-8207861%9.4Unsafe Reflection RCE in PaperCut NG/MF, Chained with Auth Bypass in Attacks
- CVE-2026-8157884%8.8Missing Authentication for Critical Function in PaperCut NG/MF Web Interface
- CVE-2021-4228777%7.5Privilege Escalation in Microsoft Active Directory Domain Services
- CVE-2021-4227873%7.5Privilege Escalation via sAMAccountName Spoofing in Microsoft Active Directory
- CVE-2023-27350100%9.8Authentication Bypass Leading to SYSTEM RCE in PaperCut MF/NG
- CVE-2023-2735178%7.5Authentication Bypass in PaperCut NG/MF Print Management Software
- CVE-2026-7289899%10.0Unauthenticated SQL Injection in Metabase Grants Admin Access
- CVE-2026-8354910%7.8Authenticated OS Command Injection RCE in SonicWall SMA1000 Appliance Console
- CVE-2026-598002%9.29Router before 0.4.44 contains an OS command injection vulnerability in the unauthenticated POST /api/tunnel/tailscale-install endpoint (this route is not…
- Path Traversal RCE in PaperCut NG and PaperCut MF Fax Component
Appears with
- PaperCut NGproduct · 24
- PaperCut MFproduct · 23
- DeepSeekai model · 11
- GreyNoiseorganization · 11
- OpenAIvendor · 9
- CISAorganization · 9
- PaperCutorganization · 9
- DeepSeekvendor · 8
- Huntressvendor · 7
- Huntressorganization · 5
- CISAvendor · 4
- PaperCut NG/MFproduct · 4
- PaperCutproduct · 4
- watchTowrvendor · 4
- Cloudflarevendor · 4
- GreyNoisevendor · 4
Entities are extracted by the model from each article. First seen , last mentioned . Watching keeps it in this browser only (no account); the watchlist page and dashboard alerts use it.