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Fencer Intel
low 3.5

CVE-2026-113706 json

a2aproject a2a-rs inmemory.rs information disclosure

published 20d ago modified 13d ago also EUVD-2026-106877

cvss
3.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 16%
public exploits
0
none known

Summary

A vulnerability was identified in a2aproject a2a-rs up to 0.4.3. Impacted is an unknown function of the file a2a-server/src/task_store/inmemory.rs. The manipulation of the argument historyLength leads to information disclosure. The attack is possible to be carried out remotely. The identifier of the patch is 68f1b7e772ae5d6c9e581ac9b48bcddd10fe70eb. To fix this issue, it is recommended to deploy a patch.

Patch / fix

Is CVE-2026-113706 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
13d ago

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 4.0 5.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
CNA 3.1 3.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C
CNA 3.0 3.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C
CNA 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N/E:ND/RL:OF/RC:C
CNA 4.0 5.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/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 3.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
CNA 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

  • a2aproject a2a-rs

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-284 Improper Access Control

References

Sources

Fencer Intel 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.