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Vulnerability details: VCID-2cu7-pyw5-t3dm
Vulnerability ID VCID-2cu7-pyw5-t3dm
Aliases CVE-2026-28753
Summary Injection in auth_http and XCLIENT
Status Published
Exploitability 0.5
Weighted Severity 3.3
Risk 1.6
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection')
System Score Found at
cvssv3 3.7 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-28753.json
epss 0.00024 https://api.first.org/data/v1/epss?cve=CVE-2026-28753
epss 0.00024 https://api.first.org/data/v1/epss?cve=CVE-2026-28753
epss 0.00024 https://api.first.org/data/v1/epss?cve=CVE-2026-28753
epss 0.00024 https://api.first.org/data/v1/epss?cve=CVE-2026-28753
epss 0.00024 https://api.first.org/data/v1/epss?cve=CVE-2026-28753
epss 0.00024 https://api.first.org/data/v1/epss?cve=CVE-2026-28753
epss 0.00024 https://api.first.org/data/v1/epss?cve=CVE-2026-28753
epss 0.00024 https://api.first.org/data/v1/epss?cve=CVE-2026-28753
cvssv3.1 3.7 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 3.7 https://my.f5.com/manage/s/article/K000160367
cvssv4 6.3 https://my.f5.com/manage/s/article/K000160367
ssvc Track https://my.f5.com/manage/s/article/K000160367
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-28753.json
https://api.first.org/data/v1/epss?cve=CVE-2026-28753
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-28753
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://my.f5.com/manage/s/article/K000160367
2450780 https://bugzilla.redhat.com/show_bug.cgi?id=2450780
CVE-2026-28753 https://nvd.nist.gov/vuln/detail/CVE-2026-28753
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-28753.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://my.f5.com/manage/s/article/K000160367
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://my.f5.com/manage/s/article/K000160367
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-24T15:24:28Z/ Found at https://my.f5.com/manage/s/article/K000160367
Exploit Prediction Scoring System (EPSS)
Percentile 0.06342
EPSS Score 0.00024
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:31:45.713481+00:00 Nginx Importer Import https://nginx.org/en/security_advisories.html 38.0.0