CVE-2026-8037
OS Command Injection Remote Code Execution Vulnerability in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager & MOVEit WAF
OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an un-authenticated attacker to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in multiple command endpoints
Published Updated Sources: NVD, Progress Software (CNA), CISA, FIRST EPSS, GitHub, GitHub Security Advisory, SOCRadar CTI
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.
Exploitation
Confirmed
CISA KEV, listed Aug 7, 2026
EPSS
99%
top of FIRST's scoreset
CVSS base
9.8
critical · 2 sources
CISA SSVC assessment
Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.
Exploitation
PoC
none · proof-of-concept · active
Automatable
No
can an attacker script all four kill-chain steps
Technical impact
Total
partial · total control of the vulnerable component
Remediation
The vendor's own words where we have them.
Upgrade LoadMaster to a fixed release. Apply vendor patches per advisory and restrict external exposure of the affected component until patched.
CISA required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Federal deadline Aug 10, 2026 — passed 11 days ago
First 24 hours
Ordered from the record's own fields — exposure first, because you cannot patch what you have not found.
- Identify exposed assets running affected vendor/product/version combinations.
- Treat as emergency remediation because CISA KEV status is present.
- Search available logs for exploit probes, errors, authentication anomalies, or suspicious child processes matching the vulnerability class.
Affected scope
Vendor, product and version as the advisories word them.
| Vendor | Product | Versions | Status |
|---|---|---|---|
| Progress Software | LoadMaster | V7.2.60.0 | Vulnerable |
| Progress Software | LoadMaster | V7.2.45.12 | Vulnerable |
| Progress Software | ECS Connections Manager | V7.2.60.0 | Vulnerable |
| Progress Software | Object Scale Connection Manager | V7.2.60.0 | Vulnerable |
| Progress Software | MOVEit WAF | V7.2.60.0 | Vulnerable |
Attack characteristics
The CVSS vector, decoded. It describes the attack, not your exposure to it.
Availability
High
Confidentiality
High
Integrity
High
Scope
Unchanged
Attack Complexity
Low
Attack Vector
Network
Privileges Req
None
User Interaction
None
Every base score collected
Sources score independently and disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Source |
|---|---|---|---|---|---|
| 9.6 | CVSS 3.1 | critical | 2.8 | 6 | Progress Software (CNA), GHSA |
| 9.8 | CVSS 3.1 | critical | 3.9 | 5.9 | NVD |
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
What this weakness leads to
MITRE's own consequences and mitigations for the weakness class — the authority's wording, not guidance derived from the CVSS vector.
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
- Execute Unauthorized Code or Commands
Mitigation: If at all possible, use library calls rather than external processes to recreate the desired functionality.
Weakness & attack patterns
- CWE-77Command Injection
Attack patterns reported against this CVE. The ATT&CK techniques below are inferred from its weakness class.
CISA KEV details
CISA lists a CVE here once it has evidence of exploitation against real targets.
Listed
Aug 7, 2026
Federal deadline
Aug 10, 2026
passed 11 days ago
Ransomware use
Unknown
CISA records ransomware use only for campaigns it has confirmed, so “Unknown” means unrecorded, not ruled out. The deadline binds US federal agencies; for everyone else it is a date to argue against.
Public exploit
Capability, not use: code existing is a different claim from anyone running it.
Repositories
24
2 of the 5 sampled are weaponized
Exploit entries
1
Exploit-DB and CTI exploit indexes
Social mentions
Posts naming this CVE. Attention, not evidence of exploitation — it spikes on disclosure and decays whether or not anything is exploited.
PCMedicalist Signal · Aug 09 CVE-2026-8037--Progress LoadMaster Command: patch Progress LoadMaster Command and verify the fix held. Full brief 👇 #CyberSecurity #Vulnerability #InfoSec PCMedicalist · https://t.co/TVrPQpgwvx https://t.co/mFyWaGrZrz
@PCMedicalist· Aug 9, 2026
CISA added CVE-2026-8037 (Progress LoadMaster command injection) to the KEV catalog, confirming active exploitation. If you run LoadMaster, patch now. This is the difference between a theoretical risk and a live one.
@ernesttheaiguy· Aug 9, 2026
CISA just added Progress LoadMaster CVE-2026-8037 to KEV, with Aug. 10 remediation due for federal agencies. This is the edge-device lesson: load balancers are control planes. Zero Trust move: patch/mitigate, restrict management reachability, preserve logs, and hunt. https://t.co/8G7WyQbOGL
@theSEalpha· Aug 9, 2026
1/3 792 exploit attempts and counting. A critical bug in Progress Kemp LoadMaster lets an unauthenticated attacker run any command on the appliance. CISA just added CVE-2026-8037 to its KEV list after active exploitation. Is yours exposed? #CyberSecurity #CVE #InfoSec #TechNews
@CyberTLDR· Aug 9, 2026
2/3 CVE-2026-8037 (CVSS 9.6) is a command injection flaw. watchTowr traced it to the escape_quotes() function, where unsanitized input in multiple command endpoints lets attackers achieve arbitrary code execution with no auth. #InfoSec #CVE #CyberAttack
@CyberTLDR· Aug 9, 2026
35 more posts on this CVEShowing 5 of 40 · Who is discussing this CVE, and how loudlyUnlock freeDetection
Read off the CVSS vector and the weakness class. Starting points, not rules we have tested.
- Prioritize edge telemetry for network-reachable LoadMaster, ECS Connections Manager, Object Scale Connection Manager, MOVEit WAF.
- Monitor for scanner or exploit-pattern traffic after 25 public PoC repositories were reported.
Groups associated with this CVE
Groups reported in connection with this vulnerability. A reported association, not a confirmed observation of that group using it — and not scoped to any sector or campaign.
- ip192.42.116.10586
Tor Node List · Apr 1, 2026
- ip192.42.116.5879
Tor Node List · Feb 24, 2026
- ip146.70.139.15479
StopForumSpam-Firehol · Feb 1, 2024
Timeline
What happened to this CVE, newest first — with the readings a source repeats on a schedule counted underneath rather than listed.
- 2026
Added · CVSS 3.1 9.8 (AV:N)
Aug 8, 2026 · NVD
Added to CISA KEV catalog
Aug 7, 2026 · CISA
Cve is exploited Caster-chen/CVE-2026-8037-POC
Jul 9, 2026 · SOCRadar CTI
Initial · CVE published
Jun 4, 2026 · NVD
Added · GHSA-57pc-jm9r-hgj4 published (critical)
Jun 4, 2026 · GitHub Security Advisory
Source activity
Readings a source repeats on a schedule, counted rather than listed.
- 13×TweetsJul 1, 2026 – Aug 9, 2026 · SOCRadar CTI
- 12×SVRS was changedJul 1, 2026 – Aug 8, 2026 · SOCRadar CTI
- 9×ModifiedJul 1, 2026 – Aug 8, 2026 · SOCRadar CTI
- 1×2 times mentioned on 2 Telegram channelsAug 8, 2026 · SOCRadar CTI
- 1×Github_Repos · Github repository created, Caster-chen/CVE-2026-8037-POCJul 9, 2026 · SOCRadar CTI
References
8 on the record
- community.progress.com/s/article/LoadMaster-Critical-Security-Bulletin-June-2026-CVE-2026-8037-CVE-2026-33691
Patch, Vendor Advisory, NIST
- labs.watchtowr.com/enterprise-tech-in-shell-out-progress-kemp-loadmaster-uninitialized-heap-to-pre-auth-rce-cve-2026-8037/
Exploit, Patch, Third Party Advisory, Vendor Advisory, NIST
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-8037
US Government Resource, NIST
- www.esentire.com/security-advisories/progress-kemp-loadmaster-vulnerability-targeted-cve-2026-8037
Third Party Advisory, NIST, GITHUB
- nvd.nist.gov/vuln/detail/CVE-2026-8037
NVD, Vendor Advisory
- github.com/advisories/GHSA-57pc-jm9r-hgj4
Exploit, Third Party Advisory
- www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
US Government Resource
- www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
US Government Resource
Coverage
20 stories from the feeds we poll
Progress Kemp LoadMaster Flaw Hits CISA KEV After 792 Reported Exploit Attempts
The Hacker News · Aug 8, 2026
U.S. CISA adds a Progress LoadMaster flaw to its Known Exploited Vulnerabilities catalog
nationalcybersecurity.com · Aug 8, 2026
U.S. CISA adds a Progress LoadMaster flaw to its Known Exploited Vulnerabilities catalog
securityaffairs.com · Aug 8, 2026
CVE-2026-8037
vuldb.com · Aug 7, 2026
CISA Adds One Known Exploited Vulnerability to Catalog
cisa.gov · Aug 7, 2026
15 more reports on this CVEShowing 5 of 20 · Vendor research and security press coverageUnlock freeElsewhere on this site
- Progress Softwareevery CVE for this vendor
- August 2026what else CISA listed
- Remote Code Execsame class
- CWE-77other pages naming this weakness
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- Only the 3 indicator(s) reported for this CVE are available; no packet-level or host-forensic artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.
Answered from this record1
What should defenders know first?
CVE-2026-8037 is OS Command Injection Remote Code Execution Vulnerability in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager & MOVEit WAF, a critical vulnerability affecting LoadMaster, ECS Connections Manager, Object Scale Connection Manager, MOVEit WAF from Progress Software. The current evidence lists it in CISA KEV, and the exploit status is: Yes: CISA KEV signal present. Public exploit evidence is: 25 public PoC repositories reported; 2 marked weaponized in current dataset. The affected-version evidence is listed in the key facts and affected products tables. Defenders should first verify whether exposed or business-critical assets run those versions, then apply vendor patches or mitigations, restrict reachable attack surface, and preserve logs for detection review. CVSS 9.8 describes technical severity, while EPSS 99% helps estimate near-term exploit likelihood; neither replaces asset context. Unknown fields should remain explicit in tickets, and threat actor, IOC, victimology, or payload claims should not be added unless a cited source supports them. Monitor CISA KEV, vendor advisories, NVD changes, public PoC repositories, and internal telemetry for update triggers.