ByteOS Network

CVE Vulnerability Details :

CVE-2025-9799

PUBLISHED

More Info Official Page

Assigner-VulDB

Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5

Published At-01 Sep, 2025 | 22:02

Updated At-02 Sep, 2025 | 20:10

▼CVE Numbering Authority (CNA)

Langfuse Webhook promptRouter.ts promptChangeEventSourcing server-side request forgery

A security flaw has been discovered in Langfuse up to 3.88.0. Affected by this vulnerability is the function promptChangeEventSourcing of the file web/src/features/prompts/server/routers/promptRouter.ts of the component Webhook Handler. Performing manipulation results in server-side request forgery. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitation appears to be difficult. The exploit has been released to the public and may be exploited.

Affected Products

Vendor

n/a

Product

Langfuse

Modules

Webhook Handler

Versions

Affected

3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
3.14
3.15
3.16
3.17
3.18
3.19
3.20
3.21
3.22
3.23
3.24
3.25
3.26
3.27
3.28
3.29
3.30
3.31
3.32
3.33
3.34
3.35
3.36
3.37
3.38
3.39
3.40
3.41
3.42
3.43
3.44
3.45
3.46
3.47
3.48
3.49
3.50
3.51
3.52
3.53
3.54
3.55
3.56
3.57
3.58
3.59
3.60
3.61
3.62
3.63
3.64
3.65
3.66
3.67
3.68
3.69
3.70
3.71
3.72
3.73
3.74
3.75
3.76
3.77
3.78
3.79
3.80
3.81
3.82
3.83
3.84
3.85
3.86
3.87
3.88.0

Problem Types

Type	CWE ID	Description
CWE	CWE-918	Server-Side Request Forgery

Type: CWE

CWE ID: CWE-918

Description: Server-Side Request Forgery

Metrics

Version	Base score	Base severity	Vector
4.0	2.3	LOW	CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.1	5.0	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
3.0	5.0	MEDIUM	CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
2.0	4.6	N/A	AV:N/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Version: 4.0

Base score: 2.3

Base severity: LOW

Vector:

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Version: 3.1

Base score: 5.0

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Version: 3.0

Base score: 5.0

Base severity: MEDIUM

Vector:

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Version: 2.0

Base score: 4.6

Base severity: N/A

Vector:

AV:N/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Credits

reporter

ZAST.AI (VulDB User)

Timeline

Event	Date
Advisory disclosed	2025-09-01 00:00:00
VulDB entry created	2025-09-01 02:00:00
VulDB entry last update	2025-09-01 14:29:18

Event: Advisory disclosed

Date: 2025-09-01 00:00:00

Event: VulDB entry created

Date: 2025-09-01 02:00:00

Event: VulDB entry last update

Date: 2025-09-01 14:29:18

References

Hyperlink	Resource
https://vuldb.com/?id.322114	vdb-entry technical-description
https://vuldb.com/?ctiid.322114	signature permissions-required
https://vuldb.com/?submit.641128	third-party-advisory
https://github.com/langfuse/langfuse/issues/8522	issue-tracking
https://github.com/langfuse/langfuse/issues/8522#issue-3320549867	exploit issue-tracking

Hyperlink: https://vuldb.com/?id.322114

Resource:

vdb-entry

technical-description

Hyperlink: https://vuldb.com/?ctiid.322114

Resource:

signature

permissions-required

Hyperlink: https://vuldb.com/?submit.641128

Resource:

third-party-advisory

Hyperlink: https://github.com/langfuse/langfuse/issues/8522

Resource:

issue-tracking

Hyperlink: https://github.com/langfuse/langfuse/issues/8522#issue-3320549867

Resource:

exploit

issue-tracking

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References