CVE-2026-90790

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2026-90790
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90790.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-90790
Published
2026-09-14T14:30:35Z
Modified
2026-09-17T03:31:10Z
Severity
  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X CVSS Calculator
Summary
a2aproject a2a-python Push Notification Sender base_push_notification_sender.py _dispatch_notification server-side request forgery
Details

A security vulnerability has been detected in a2aproject a2a-python up to 1.1.3. This affects the function _dispatch_notification of the file src/a2a/server/tasks/base_push_notification_sender.py of the component Push Notification Sender. The manipulation of the argument push_info.url leads to server-side request forgery. Remote exploitation of the attack is possible. Upgrading to version 1.1.4 is able to mitigate this issue. It is suggested to upgrade the affected component.

Database specific 
{
    "cna_assigner": "VulDB",
    "cwe_ids": [
        "CWE-918"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90790.json"
}
References

Affected packages

Git / github.com/a2aproject/a2a-python

Affected ranges

Type
GIT
Repo
https://github.com/a2aproject/a2a-python
Events
Introduced
96c14b79325c72560359ad112998c0c09ed0b249
Fixed
2d4d3048b245d2af854bad804f0e722ea9febc08
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "1.1.0"
        },
        {
            "last_affected": "1.1.0"
        },
        {
            "introduced": "1.1.1"
        },
        {
            "last_affected": "1.1.1"
        },
        {
            "introduced": "1.1.2"
        },
        {
            "last_affected": "1.1.2"
        },
        {
            "introduced": "1.1.3"
        },
        {
            "last_affected": "1.1.3"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ]
}

Affected versions

1.*
1.1.0
1.1.1
1.1.2
1.1.3
v1.*
v1.1.0
v1.1.1
v1.1.2
v1.1.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90790.json"