CVE-2026-2298Disclosure

LOWCVSS 9.4 · CRITICAL

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

Hunt for exploitation attempts and persistence artifacts
Increase monitoring for publicly documented tradecraft
Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability in Salesforce Marketing Cloud Engagement allows Web Services Protocol Manipulation. This issue affects Marketing Cloud Engagement: before January 30th, 2026.

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1.5/ 10 priority

Sources & remediation

Other references

https://help.salesforce.com/s/articleView?id=005299346&type=1

Weakness type (CWE)

CWE-88

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Threat summary

Public PoC is present in monitored signal
1 mentions across 1 observed day

What's happening

PoC mentioned or linked in 1 signal
Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://slcyber.io/research-center/ghosts-of-encryption-past-salesforce-exacttarget/

Full discourse1 post

Assetnote@assetnote156d
Disclosure
Our team discovered a vulnerability in Salesforce Marketing Cloud that allowed us to leak PII of subscribers and emails sent through SFMC, without any auth. Assigned CVE-2026-22585, CVE-2026-22586, CVE-2026-22582, CVE-2026-22583, CVE-2026-2298. Read our writeup here: https://slcyber.io/research-center/ghosts-of-encryption-past-salesforce-exacttarget/
Post summary
Researchers disclosed multiple CVEs in Salesforce Marketing Cloud that permit unauthorized PII leakage; the writeup covers the vulnerability details without presenting exploit code or patches.
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