CVE-2026-22204

wpDiscuz before 7.6.47 contains an email header injection vulnerability that allows attackers to manipulate mail recipients by injecting malicious data into the commentauthoremail cookie. Attackers can craft a malicious cookie value that, when processed through urldecode and passed to wpmail...

CVE-2026-22204 wpDiscuz before 7.6.47 - Unsanitized Cookie Email Used as wp_mail() Recipient

wpDiscuz before 7.6.47 contains an email header injection vulnerability that allows attackers to manipulate mail recipients by injecting malicious data into the commentauthoremail cookie. Attackers can craft a malicious cookie value that, when processed through urldecode and passed to wpmail...

CVE-2026-22204

wpDiscuz prior to 7.6.47 has an email header injection due to unsanitized comment_author_email cookie. An attacker can craft a cookie value that, after urldecode() is processed by wp_mail(), injects headers or alters recipients. The exact impact and exploit status are not elaborated beyond the de...

CVE-2026-22204 wpDiscuz before 7.6.47 - Unsanitized Cookie Email Used as wp_mail() Recipient

wpDiscuz before 7.6.47 contains an email header injection vulnerability that allows attackers to manipulate mail recipients by injecting malicious data into the commentauthoremail cookie. Attackers can craft a malicious cookie value that, when processed through urldecode and passed to wpmail...

TencentOS Server 4: python3.11 (TSSA-2026:0141)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0141 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

SUSE SLES15 Security Update : busybox (SUSE-SU-2026:0872-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0872-1 advisory. - CVE-2023-42363: use-after-free vulnerability in xasprintf function in xfuncsprintf.c bsc1217580. - CVE-2023-42364: use-after-free...

SUSE SLES15 / openSUSE 15 Security Update : python (SUSE-SU-2026:0873-1)

The remote SUSE Linux SLES15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:0873-1 advisory. This update for python fixes the following issue: - CVE-2026-1299: header injection when an email is serialized due to improper newline...

AlmaLinux 9 : python3.9 (ALSA-2026:4168)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:4168 advisory. cpython: IMAP command injection in user-controlled commands CVE-2025-15366 cpython: POP3 command injection in user-controlled commands CVE-2025-15367...

RockyLinux 8 : python3.11 (RLSA-2026:4473)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:4473 advisory. cpython: wsgiref.headers.Headers allows header newline injection in Python CVE-2026-0865 cpython: IMAP command injection in user-controlled commands...

AlmaLinux 9 : python3.11 (ALSA-2026:4216)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:4216 advisory. cpython: IMAP command injection in user-controlled commands CVE-2025-15366 cpython: POP3 command injection in user-controlled commands CVE-2025-15367...

PT-2026-25144

wpDiscuz before 7.6.47 contains an email header injection vulnerability that allows attackers to manipulate mail recipients by injecting malicious data into the comment author email cookie. Attackers can craft a malicious cookie value that, when processed through urldecode and passed to wp mail...

SUSE SLES12: libpython3_6m1_0 / libpython3_6m1_0-32bit / python36 / etc (SUSE-SU-2026:0884-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by a vulnerability as referenced in the SUSE- SU-2026:0884-1 advisory. - CVE-2026-1299: header injection when an email is serialized due to improper newline quoting in BytesGenerator bsc1257181. Tenable has extracted the...

AlmaLinux 8 : python3.12 (ALSA-2026:4463)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:4463 advisory. cpython: wsgiref.headers.Headers allows header newline injection in Python CVE-2026-0865 cpython: IMAP command injection in user-controlled commands...

CVE-2026-1527

A flaw was found in undici, a Node.js HTTP/1.1 client. This vulnerability allows a remote attacker to inject malicious data into HTTP headers or prematurely end HTTP requests by sending specially crafted input to the upgrade option of client.request. This is possible because undici does not...

CVE-2026-1527

ImpactWhen an application passes user-controlled input to the upgrade option of client.request, an attacker can inject CRLF sequences \r\n to: Inject arbitrary HTTP headers Terminate the HTTP request prematurely and smuggle raw data to non-HTTP services Redis, Memcached, Elasticsearch The...

UBUNTU-CVE-2026-1527

ImpactWhen an application passes user-controlled input to the upgrade option of client.request, an attacker can inject CRLF sequences \r\n to: Inject arbitrary HTTP headers Terminate the HTTP request prematurely and smuggle raw data to non-HTTP services Redis, Memcached, Elasticsearch The...

CVE-2026-1527 undici is vulnerable to CRLF Injection via upgrade option

ImpactWhen an application passes user-controlled input to the upgrade option of client.request, an attacker can inject CRLF sequences \r\n to: Inject arbitrary HTTP headers Terminate the HTTP request prematurely and smuggle raw data to non-HTTP services Redis, Memcached, Elasticsearch The...

CRLF Injection

Overview undici is an An HTTP/1.1 client, written from scratch for Node.js Affected versions of this package are vulnerable to CRLF Injection via the upgrade option of the client.request function. An attacker can inject malicious data into HTTP headers or prematurely terminate HTTP requests by...

CVE-2026-1527 undici is vulnerable to CRLF Injection via upgrade option

ImpactWhen an application passes user-controlled input to the upgrade option of client.request, an attacker can inject CRLF sequences \r\n to: Inject arbitrary HTTP headers Terminate the HTTP request prematurely and smuggle raw data to non-HTTP services Redis, Memcached, Elasticsearch The...

CRLF Injection

Overview org.webjars.npm:undici is an An HTTP/1.1 client, written from scratch for Node.js Affected versions of this package are vulnerable to CRLF Injection via the upgrade option of the client.request function. An attacker can inject malicious data into HTTP headers or prematurely terminate HTT...