How severe is CVE-2006-5262?

CVE-2006-5262 has a CVSS 2.0 base score of 6.5, rated medium severity.

Is CVE-2006-5262 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-5262?

CVE-2006-5262 primarily affects Hastymail. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-5262?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-5262 published?

CVE-2006-5262 was published on 2006-10-12 and last updated on 2026-06-16.

CVE-2006-5262

CVE-2006-5262 is a medium-severity vulnerability in Hastymail with a CVSS 2.0 base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.5)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hastymail
Published: 2006-10-12
Last modified: 2026-06-16

Description

CRLF injection vulnerability in lib/session.php in Hastymail 1.5 and earlier before 20061008 allows remote authenticated users to send arbitrary IMAP commands via a CRLF sequence in a mailbox name. NOTE: the attack crosses privilege boundaries if the IMAP server configuration prevents a user from establishing a direct IMAP session.

Frequently asked questions

What is CVE-2006-5262?: CRLF injection vulnerability in lib/session.php in Hastymail 1.5 and earlier before 20061008 allows remote authenticated users to send arbitrary IMAP commands via a CRLF sequence in a mailbox name. NOTE: the attack crosses privilege boundaries if the IMAP server configuration prevents a user from establishing a direct IMAP session.
How severe is CVE-2006-5262?: CVE-2006-5262 has a CVSS 2.0 base score of 6.5, rated medium severity.
Is CVE-2006-5262 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-5262?: CVE-2006-5262 primarily affects Hastymail. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-5262?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-5262 published?: CVE-2006-5262 was published on 2006-10-12 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:hastymail:hastymail:*:*:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail:1.1:*:*:*:*:*:*:*
cpe:2.3:a:hastymail:hastymail:1.2:*:*:*:*:*:*:*

More vulnerabilities in Hastymail

CVE-2006-5313 — Medium (CVSS 6.5): Hastymail 1.5 and earlier before 20061008 allows remote authenticated users to send arbitrary SMTP commands by placing…
CVE-2004-2704 — Medium (CVSS 4.3): Hastymail 1.0.1 and earlier (stable) and 1.1 and earlier (development) does not send the "attachment" parameter in the…

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