CVE-2026-16531— Pcp: pcp: arbitrary file creation via path traversal in pmproxy logger servlet
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 6
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | any | affected |
| Red Hat | Red Hat Enterprise Linux 6 | any | unknown |
| Red Hat | Red Hat Enterprise Linux 7 | any | unknown |
| Red Hat | Red Hat Enterprise Linux 8 | any | affected |
| Red Hat | Red Hat Enterprise Linux 9 | any | affected |
| Red Hat | Red Hat OpenShift Container Platform 4 | any | affected |
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-16531
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Pcp: pcp: arbitrary file creation via path traversal in pmproxy logger servlet
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated remote attacker can exploit a path traversal vulnerability in the PCP pmproxy logger servlet using a crafted hostname. This allows arbitrary file and directory creation, potentially leading to a denial of service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
pcp 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
pcp是pcp组织开源的一个系统性能分析工具包。 pcp存在路径遍历漏洞，该漏洞源于路径遍历漏洞，使用特制主机名，可能导致未经身份验证的远程攻击者创建任意文件和目录，进而导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | - | cpe:/o:redhat:enterprise_linux:10 | |
| Red Hat | Red Hat Enterprise Linux 6 | - | cpe:/o:redhat:enterprise_linux:6 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 | |
| Red Hat | Red Hat OpenShift Container Platform 4 | - | cpe:/a:redhat:openshift:4 |
II. Public POCs for CVE-2026-16531
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-16531
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-16531 (2)
Same Patch Batch · Red Hat · 2026-07-30 · 15 CVEs total
| CVE-2026-16526 | 8.8 HIGH | Pcp: pcp: privilege escalation to root via linux_sockets pmda vulnerability |
| CVE-2026-58222 | 8.8 HIGH | Samba: samba ad ldap compare filter injection and trusted-request confusion disclose prote |
| CVE-2026-16524 | 7.8 HIGH | Pcp: pcp linux_sockets pmda: arbitrary command execution via command injection |
| CVE-2026-18381 | 7.6 HIGH | Project-koku/koku-metrics-operator: koku-metrics-operator: operator service-account token |
| CVE-2026-18378 | 7.6 HIGH | Project-koku/koku-metrics-operator: koku-metrics-operator: cluster pull-secret token exfil |
| CVE-2026-16529 | 7.5 HIGH | Pcp: pcp: denial of service due to signed integer overflow |
| CVE-2026-16527 | 7.3 HIGH | Pcp: pcp pmproxy: unauthenticated access to /store endpoint allows bypassing pmcd access r |
| CVE-2026-18382 | 6.8 MEDIUM | Project-koku/koku-metrics-operator: koku-metrics-operator: service-account client credenti |
| CVE-2026-16530 | 6.5 MEDIUM | Pcp: pcp: remote denial of service and information leakage |
| CVE-2026-68562 | 6.2 MEDIUM | Ansible-collection-redhat-leapp: ansible-collection-redhat-leapp: information disclosure v |
| CVE-2026-18369 | 5.8 MEDIUM | Dogtag-pki: pki-core: redhat-pki: pki: acme http-01 validation ssrf via ip literal identif |
| CVE-2026-68563 | 5.5 MEDIUM | Ansible-collection-redhat-leapp: ansible-collection-redhat-leapp: information disclosure o |
| CVE-2026-58218 | 5.3 MEDIUM | Samba: dns signing dos via tkey name cache exhaustion |
| CVE-2026-58216 | 5.3 MEDIUM | Samba: kpasswd service: kpasswd packet that contains malformed asn.1 might cause the serve |
IV. Related Vulnerabilities
Same product: Red Hat Enterprise Linux 10
- CVE-2026-13002
Dnsmasq: infinite loop dos in dnssec nsec/nsec3 type bitmap - CVE-2026-58224
Samba: ctdb fails to do integrity checking of received packe - CVE-2026-19617
Libdm: lvm2: libdm: denial of service via uncontrolled recur - CVE-2026-73584
Sblim-sfcb: sblim-sfcb: privileged file corruption and denia - CVE-2026-73583
Sblim-sfcb: unsafe deserialization in sblim-sfcb provider-ma
Same vendor: Red Hat
- CVE-2026-74247
Quay: ssrf via build archive_url in quay build api - CVE-2026-74245
Quay: unauthenticated exported logs download in quay - CVE-2026-74244
Quay: stripe webhook accepts forged events without signature - CVE-2026-74243
Quay: unauthenticated secscan notification endpoint in quay - CVE-2026-74242
Quay: repository notification uuid idor in quay api
Same weakness: CWE-22
- CVE-2026-17604
Kirki <= 6.1.1 - Authenticated (Editor+) Path Traversal to A - CVE-2026-15056
StoreEngine <= 2.1.1 - Authenticated (Vendor+) Arbitrary Fil - CVE-2026-14524
ProSolution WP Client <= 2.0.8 - Unauthenticated Arbitrary F - CVE-2026-74764
Path Traversal in TAR Archive Extraction Allows Arbitrary Fi - CVE-2026-18855
Link Library <= 7.9.4 - Unauthenticated Arbitrary File Delet
V. Comments for CVE-2026-16531
No comments yet