LitmusChaos Litmus LocalStorage authorization

published 2025-08-10 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-24075

cvss: 5.3; 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 19%
public exploits: 0; none known

A vulnerability, which was classified as problematic, has been found in LitmusChaos Litmus up to 3.19.0. Affected by this issue is some unknown functionality of the component LocalStorage Handler. The manipulation of the argument projectID leads to authorization bypass. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 14 mo ago (2025-08-13)

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/MaiqueSilva/VulnDB/blob/main/readme04.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA	3.1	5.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	3.0	5.3	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	2.0	4.3	AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CNA	4.0	1.9	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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	5.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	2.0	4.3	AV:L/AC:L/Au:S/C:P/I:P/A:P

Affected products

LitmusChaos Litmus

Classification

Weakness

CWE-639 Authorization Bypass Through User-Controlled Key
CWE-285 Improper Authorization

References

github.com /MaiqueSilva/VulnDB/blob/main/readme04.md
exploit, third-party-advisory
vuldb.com /?id.319322
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.319322
signature, permissions-required, vdb-entry
vuldb.com /?submit.625982
third-party-advisory, vdb-entry

Sources

CVE List CVE-2025-8794
NVD CVE-2025-8794

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.

Summary