What is CVE-2026-1281?
A code injection in Ivanti Endpoint Manager Mobile allowing attackers to achieve unauthenticated remote code execution.
The record classifies CVE-2026-1281 under weakness class CWE-94. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 5 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 273 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 9.8 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS (FIRST)
- 98.6% probability of exploitation in the next 30 days, higher than 99.9% of all scored CVEs
- CISA KEV
- Listed since 2026-01-29, federal remediation deadline 2026-02-01
- Threadlinqs priority
- 9/10 — CISA KEV-listed, which Threadlinqs floors at 9
- Published
- 2026-01-29, last modified 2026-10-07
Is CVE-2026-1281 being exploited?
CISA added CVE-2026-1281 to the Known Exploited Vulnerabilities catalog on 2026-01-29, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2026-02-01 under BOD 22-01. Weaponised exploit code for CVE-2026-1281 is publicly available. 2 public proof-of-concept repositories are tracked for this identifier. A ProjectDiscovery Nuclei detection template exists (http/cves/2026/CVE-2026-1281.yaml). It currently carries a trending score of 55 in the Threadlinqs vulnerability feed.
Affected products and versions
- Ivanti: Endpoint Manager Mobile, Endpoint Manager Mobile 12.5.1.0, Endpoint Manager Mobile 12.6.0.0, Endpoint Manager Mobile 12.6.1.0, Endpoint Manager Mobile 12.7.0.0
How to fix CVE-2026-1281
The record marks a vendor fix as available for CVE-2026-1281. Patch reference: https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMM-CVE-2026-1281-CVE-2026-1340. Vendor advisory: https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMM-CVE-2026-1281-CVE-2026-1340. Because CVE-2026-1281 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2026-02-01. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2026-1281
3 tracked threats in the Threadlinqs corpus reference CVE-2026-1281, either in the campaign’s CVE list or as an indicator on the campaign record.
- Ivanti EPMM Unauthenticated RCE via Code Injection — CVE-2026-1281 & CVE-2026-1340 (Sleeper Shells) — CRITICAL · 2026-03-13
- Ivanti EPMM Dual-CVE Unauthenticated RCE Chain (CVE-2026-1281 + CVE-2026-1340) — CVSS 9.8, CISA KEV, Dutch Government Breached, Bulletproof Hosting IAB, Sleeper Webshells, 28K+ Attacking IPs — CRITICAL · 2026-02-16
- Ivanti EPMM Pre-Auth Remote Code Execution (CVE-2026-1281 / CVE-2026-1340) — CRITICAL · 2026-01-29
Sources
Enriched from CVE.org, NVD, FIRST EPSS, CISA KEV, GitHub Security Advisories, public proof-of-concept repositories, ProjectDiscovery Nuclei. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.