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Fencer Vulns
low 3.1

CVE-2026-13511 json

VoltAgent Memory REST API memory.handlers.ts handleGetMemoryConversation improper authorization

published 2026-06-28 4 mo ago modified 2026-06-29 4 mo ago also EUVD-2026-40008

cvss
3.1
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 27%
public exploits
0
none known

Summary

A vulnerability was determined in VoltAgent up to 2.1.17. Affected by this issue is the function handleGetMemoryConversation of the file packages/server-core/src/handlers/memory.handlers.ts of the component Memory REST API. Executing a manipulation of the argument conversationId can lead to improper authorization. The attack may be performed from remote. This attack is characterized by high complexity. The exploitation is known to be difficult. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.

Patch / fix

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
4 mo ago

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/VoltAgent/voltagent/issues/1315 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 2.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CNA 3.1 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA 3.0 3.1 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA 2.0 2.1 AV:N/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR
CNA 4.0 1.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA 2.0 2.1 AV:N/AC:H/Au:S/C:P/I:N/A:N

Affected products

  • n/a VoltAgent

Classification

Weakness
  • CWE-285 Improper Authorization
  • CWE-266 Incorrect Privilege Assignment

References

Sources

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.