CVE-2025-6167 json
themanojdesai python-a2a api.py create_workflow path traversal
published 2025-06-17 16 mo ago modified 2026-06-17 4 mo ago also GHSA-rp38-pj7h-r8q2 , PYSEC-2025-64 , EUVD-2025-18486
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
A vulnerability classified as critical has been found in themanojdesai python-a2a up to 0.5.5. Affected is the function create_workflow of the file python_a2a/agent_flow/server/api.py. The manipulation leads to path traversal. Upgrading to version 0.5.6 is able to address this issue. It is recommended to upgrade the affected component.
Patch / fix
- pypi python-a2a 0.5.6
- themanojdesai python-a2a 0.5.6
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 16 mo ago
Exploit prediction
0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/themanojdesai/python-a2a/issues/40 referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/themanojdesai/python-a2a/issues/40#issuecomment-2904804388 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.1 | CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X |
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C |
| CNA | 3.0 | 5.5 | CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C |
| CNA | 2.0 | 5.2 | AV:A/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C |
| CNA | 4.0 | 5.1 | CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/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 |
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 2.0 | 5.2 | AV:A/AC:L/Au:S/C:P/I:P/A:P |
| GitHub | 3.1 | 5.5 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| OSV | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | python-a2a | <0.5.6 |
0.5.6 |
Affected products
- themanojdesai python-a2a
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/themanojdesai/python-a2a/releases/tag/v0.5.6
patch, web, release-notes
-
github.com
/themanojdesai/python-a2a/issues/40
issue-tracking, exploit, web, evidence, report
-
github.com
/themanojdesai/python-a2a/issues/40#issuecomment-2904804388
issue-tracking, web, exploit, evidence, report
-
vuldb.com
/?id.312642
vdb-entry, technical-description, web, third-party-advisory, advisory
-
vuldb.com
/?ctiid.312642
signature, permissions-required, web, vdb-entry, advisory
-
vuldb.com
/?submit.593613
third-party-advisory, web, vdb-entry, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2025-6167
advisory
-
github.com
/pypa/advisory-database/tree/main/vulns/python-a2a/PYSEC-2025-64.yaml
web
-
github.com
/themanojdesai/python-a2a
package
-
github.com
/advisories/GHSA-rp38-pj7h-r8q2
advisory
Sources
- CVE List CVE-2025-6167
- GitHub Advisory GHSA-rp38-pj7h-r8q2
- NVD CVE-2025-6167
- OSV PYSEC-2025-64
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.