Upstream information
Description
Interpretation Conflict vulnerability in hackney_url in benoitc hackney allows Server Side Request Forgery via a percent-encoded bracketed IPv6 literal or an IP literal with a trailing dot. A host such as %5B%3A%3Affff%3A127%2E0%2E0%2E1%5D (decoding to [::ffff:127.0.0.1]) or 127.0.0.1. is not an IP address to a caller's allowlist built on uri_string:parse/1 and inet:parse_address/1, while hackney connects to the address it denotes. The same applies to a Location target when redirects are followed.The IP-literal gate that hackney_url:normalize/2 applies to a percent-decoded host, added to close the percent-encoded IP bypass of CVE-2026-47076, passes the decoded value to inet_parse:address/1 as is. The connect path in hackney_happy:parse_address/1 drops a surrounding bracket pair, and the resolver ignores a trailing dot, so both forms pass the gate and still reach the literal address. Domain names with a trailing dot and unencoded IPv6 literals are not affected.
This issue affects hackney: from 4.0.1 before 4.9.0.
SUSE information
Overall state of this security issue: Pending
This issue is currently rated as having important severity.
| CVSS detail | SUSE |
|---|---|
| Base Score | 7.2 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Changed |
| Confidentiality Impact | Low |
| Integrity Impact | Low |
| Availability Impact | None |
| CVSSv3 Version | 3.1 |
| CVSS detail | CNA (6b3ad84c-e1a6-4bf7-a703-f496b71e49db) | SUSE |
|---|---|---|
| Base Score | 6.9 | 6.3 |
| Vector | CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N |
| Attack Vector | Local | Network |
| Attack Complexity | Low | Low |
| Attack Requirements | Present | Present |
| Privileges Required | None | None |
| User Interaction | None | None |
| Vulnerable System Confidentiality Impact | High | Low |
| Vulnerable System Integrity Impact | None | Low |
| Vulnerable System Availability Impact | None | None |
| Subsequent System Confidentiality Impact | High | Low |
| Subsequent System Integrity Impact | None | Low |
| Subsequent System Availability Impact | None | None |
| CVSSv4 Version | 4.0 | 4.0 |
Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.
| Product(s) | Source package | State |
|---|---|---|
| Products under general support and receiving all security fixes. | ||
| SUSE Linux Enterprise Module for SAP Applications 15 SP7 | trento-wanda | Affected |
| SUSE Linux Enterprise Module for SAP Applications 15 SP7 | trento-web | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP7 | trento-wanda | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP7 | trento-web | Affected |
| SUSE Linux Enterprise Server for SAP applications 16.0 | trento-wanda | Affected |
| SUSE Linux Enterprise Server for SAP applications 16.0 | trento-web | Affected |
| openSUSE Leap 16.0 | trento-wanda | Affected |
| openSUSE Leap 16.0 | trento-web | Affected |
| Products under Long Term Service Pack support and receiving important and critical security fixes. | ||
| SUSE Linux Enterprise Module for SAP Applications 15 SP4 | trento-wanda | Affected |
| SUSE Linux Enterprise Module for SAP Applications 15 SP4 | trento-web | Affected |
| SUSE Linux Enterprise Module for SAP Applications 15 SP5 | trento-wanda | Affected |
| SUSE Linux Enterprise Module for SAP Applications 15 SP5 | trento-web | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | trento-wanda | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | trento-web | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | trento-wanda | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | trento-web | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | trento-wanda | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | trento-web | Affected |
| Products past their end of life and not receiving proactive updates anymore. | ||
| SUSE Linux Enterprise Module for SAP Applications 15 SP3 | trento-wanda | Affected |
| SUSE Linux Enterprise Module for SAP Applications 15 SP3 | trento-web | Affected |
| SUSE Linux Enterprise Module for SAP Applications 15 SP6 | trento-wanda | Affected |
| SUSE Linux Enterprise Module for SAP Applications 15 SP6 | trento-web | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP3 | trento-wanda | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP3 | trento-web | Affected |
| Container Status | ||
| trento/trento-wanda | trento-wanda | Affected |
| trento/trento-web | trento-web | Affected |
SUSE Timeline for this CVE
CVE page created: Tue Oct 27 17:50:10 2026CVE page last modified: Wed Oct 28 14:19:27 2026