CVE-2026-24762 [Medium] | Security Vulnerability in Rustfs

RustFS is a distributed object storage system built in Rust. From versions alpha.13 to alpha.81, RustFS logs sensitive credential material (access key, secret key, session token) to application logs at INFO level. This results in credentials being recorded in plaintext in log output, which may be accessible to internal or external log consumers and could lead to compromise of sensitive credentials. This issue has been patched in version alpha.82.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-05	0.04%	0.06%	+0.02%
2	2026-02-24	0.06%	0.04%	-0.01%
3	2026-02-09	—	0.06%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-05

0.04%

0.06%

+0.02%

2026-02-24

0.06%

0.04%

-0.01%

2026-02-09

—

0.06%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
6.9	4.0	MEDIUM	`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network. Attack complexity (AC:L) Exploitation conditions are straightforward and stable. Attack requirements (AT:N) No additional preconditions are required beyond normal reachability. Privileges required (PR:N) No privileges are required. User interaction (UI:N) No user interaction is required. Vulnerable system confidentiality impact (VC:L) Limited confidentiality impact on the vulnerable system. Vulnerable system integrity impact (VI:N) No integrity impact on the vulnerable system. Vulnerable system availability impact (VA:N) No availability impact on the vulnerable system. Subsequent system confidentiality impact (SC:N) No confidentiality impact on subsequent systems. Subsequent system integrity impact (SI:N) No integrity impact on subsequent systems. Subsequent system availability impact (SA:N) No availability impact on subsequent systems. Exploit maturity (threat) (E:X) Not defined: no reliable threat intelligence; scoring assumes the worst case (equivalent to Attacked). Confidentiality requirement (CR:X) Not defined: insufficient information; scoring treats this like High (worst case). Integrity requirement (IR:X) Not defined: insufficient information; scoring treats this like High (worst case). Availability requirement (AR:X) Not defined: insufficient information; scoring treats this like High (worst case). Modified attack vector (MAV:X) Not defined: scoring uses the Base Attack Vector (AV). Modified attack complexity (MAC:X) Not defined: scoring uses the Base Attack Complexity (AC). Modified attack requirements (MAT:X) Not defined: scoring uses the Base Attack Requirements (AT). Modified privileges required (MPR:X) Not defined: scoring uses the Base Privileges Required (PR). Modified user interaction (MUI:X) Not defined: scoring uses the Base User Interaction (UI). Modified vulnerable system confidentiality impact (MVC:X) Not defined: scoring uses the Base VC metric. Modified vulnerable system integrity impact (MVI:X) Not defined: scoring uses the Base VI metric. Modified vulnerable system availability impact (MVA:X) Not defined: scoring uses the Base VA metric. Modified subsequent system confidentiality impact (MSC:X) Not defined: scoring uses the Base SC metric. Modified subsequent system integrity impact (MSI:X) Not defined: scoring uses the Base SI metric. Modified subsequent system availability impact (MSA:X) Not defined: scoring uses the Base SA metric. Safety (supplemental) (S:X) Not evaluated. Automatable (supplemental) (AU:X) Not evaluated. Recovery (supplemental) (R:X) Not evaluated. Value density (supplemental) (V:X) Not evaluated. Vulnerability response effort (supplemental) (RE:X) Not evaluated. Provider urgency (supplemental) (U:X) Not evaluated.	—	—	[email protected]
7.5	3.1	HIGH	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:N) Service keeps running; no real outage angle.	3.9	3.6	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

6.9

4.0

MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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

Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network.
Attack complexity (AC:L): Exploitation conditions are straightforward and stable.
Attack requirements (AT:N): No additional preconditions are required beyond normal reachability.
Privileges required (PR:N): No privileges are required.
User interaction (UI:N): No user interaction is required.
Vulnerable system confidentiality impact (VC:L): Limited confidentiality impact on the vulnerable system.
Vulnerable system integrity impact (VI:N): No integrity impact on the vulnerable system.
Vulnerable system availability impact (VA:N): No availability impact on the vulnerable system.
Subsequent system confidentiality impact (SC:N): No confidentiality impact on subsequent systems.
Subsequent system integrity impact (SI:N): No integrity impact on subsequent systems.
Subsequent system availability impact (SA:N): No availability impact on subsequent systems.
Exploit maturity (threat) (E:X): Not defined: no reliable threat intelligence; scoring assumes the worst case (equivalent to Attacked).
Confidentiality requirement (CR:X): Not defined: insufficient information; scoring treats this like High (worst case).
Integrity requirement (IR:X): Not defined: insufficient information; scoring treats this like High (worst case).
Availability requirement (AR:X): Not defined: insufficient information; scoring treats this like High (worst case).
Modified attack vector (MAV:X): Not defined: scoring uses the Base Attack Vector (AV).
Modified attack complexity (MAC:X): Not defined: scoring uses the Base Attack Complexity (AC).
Modified attack requirements (MAT:X): Not defined: scoring uses the Base Attack Requirements (AT).
Modified privileges required (MPR:X): Not defined: scoring uses the Base Privileges Required (PR).
Modified user interaction (MUI:X): Not defined: scoring uses the Base User Interaction (UI).
Modified vulnerable system confidentiality impact (MVC:X): Not defined: scoring uses the Base VC metric.
Modified vulnerable system integrity impact (MVI:X): Not defined: scoring uses the Base VI metric.
Modified vulnerable system availability impact (MVA:X): Not defined: scoring uses the Base VA metric.
Modified subsequent system confidentiality impact (MSC:X): Not defined: scoring uses the Base SC metric.
Modified subsequent system integrity impact (MSI:X): Not defined: scoring uses the Base SI metric.
Modified subsequent system availability impact (MSA:X): Not defined: scoring uses the Base SA metric.
Safety (supplemental) (S:X): Not evaluated.
Automatable (supplemental) (AU:X): Not evaluated.
Recovery (supplemental) (R:X): Not evaluated.
Value density (supplemental) (V:X): Not evaluated.
Vulnerability response effort (supplemental) (RE:X): Not evaluated.
Provider urgency (supplemental) (U:X): Not evaluated.

—

[email protected]

7.5

3.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:N): Service keeps running; no real outage angle.

3.9

3.6

[email protected]

Affected software / configurations for CVE-2026-24762

Vendor	Product	Version	Raw CPE
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha13::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha14::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha15::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha16::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha17::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha18::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha19::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha20::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha21::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha22::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha23::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha24::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha25::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha26::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha27::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha28::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha29::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha30::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha31::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha32::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha33::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha34::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha35::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha36::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha37::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha38::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha39::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha40::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha41::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha42::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha43::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha44::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha45::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha46::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha47::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha48::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha49::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha50::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha51::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha52::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha53::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha54::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha55::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha56::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha57::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha58::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha59::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha60::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha61::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha62::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha63::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha64::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha65::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha66::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha67::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha68::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha69::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha70::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha71::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha72::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha73::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha74::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha75::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha76::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha77::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha78::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha79::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha80::::rust::*
rustfs	rustfs	1.0.0	cpe:2.3:a:rustfs:rustfs:1.0.0:alpha81::::rust::*

References for CVE-2026-24762

URL	Tags
https://github.com/rustfs/rustfs/security/advisories/GHSA-r54g-49rx-98cr	Vendor Advisory

URL

CVE-2026-24762 | RustFS Logs Sensitive Credentials in Plaintext

Exploit prediction scoring system (EPSS) score for CVE-2026-24762

Common vulnerability scoring system (CVSS) metrics for CVE-2026-24762

Weakness enumeration for CVE-2026-24762

GitHub Security Advisory for CVE-2026-24762

Affected software / configurations for CVE-2026-24762

References for CVE-2026-24762