CVE-2025-45768
pyjwt v2.10.1 was discovered to contain weak encryption.
pyjwt v2.10.1 was discovered to contain weak encryption. NOTE: this is disputed by the Supplier because the key length is chosen by the application that uses the library (admittedly, library users may benefit from a minimum value and a mechanism for opting in to strict enforcement).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
pyjwt v2.10.1 was discovered to contain weak encryption. NOTE: this is disputed by the Supplier because the key length is chosen by the application that uses the library (admittedly, library users may benefit from a minimum value and a mechanism for opting in to strict enforcement).
- Record
CVE-2025-45768- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-311
- Updated
- 2026-11-02
EUVDEUVD-2025-23303
pyjwt v2.10.1 was discovered to contain weak encryption. NOTE: this is disputed by the Supplier because the key length is chosen by the application that uses the library (admittedly, library users may benefit from a minimum value and a mechanism for opting in to strict enforcement).
- Record
EUVD-2025-23303- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xpf8-484v-j9w6
pyjwt v2.10.1 was discovered to contain weak encryption.
pyjwt v2.10.1 was discovered to contain weak encryption.
- Record
GHSA-xpf8-484v-j9w6- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-311
- Updated
- 2026-11-02
NVD
pyjwt v2.10.1 was discovered to contain weak encryption. NOTE: this is disputed by the Supplier because the key length is chosen by the application that uses the library (admittedly, library users may benefit from a minimum value and a mechanism for opting in to strict enforcement).
- Record
CVE-2025-45768- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-311
- Updated
- 2026-11-02
OSV
pyjwt v2.10.1 was discovered to contain weak encryption. NOTE: this is disputed by the Supplier because the key length is chosen by the application that uses the library (admittedly, library users may benefit from a minimum value and a mechanism for opting in to strict enforcement).
- Record
CVE-2025-45768- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2025-45768
pyjwt v2.10.1 was discovered to contain weak encryption. NOTE: this is disputed by the Supplier because the key length is chosen by the application that uses the library (admittedly, library users may benefit from a minimum value and a mechanism for opting in to strict enforcement).
- Record
DEBIAN-CVE-2025-45768- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-02
Show 4 moreShow less
OSVPYSEC-2025-183
pyjwt v2.10.1 was discovered to contain weak encryption. NOTE: this is disputed by the Supplier because the key length is chosen by the application that uses the library (admittedly, library users may benefit from a minimum value and a mechanism for opting in to strict enforcement).
- Record
PYSEC-2025-183- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2025-45768
pyjwt v2.10.1 was discovered to contain weak encryption. NOTE: this is disputed by the Supplier because the key length is chosen by the application that uses the library (admittedly, library users may benefit from a minimum value and a mechanism for opting in to strict enforcement).
- Record
UBUNTU-CVE-2025-45768- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-02
OSVCLSA-2025-1756858339 No score
TuxCare security update for pyjwt (1 CVE)
TuxCare rebuilt pyjwt to address 1 CVE. Fixed in 2.8.0.post1+tuxcare.
- Record
CLSA-2025-1756858339- Updated
- 2026-11-02
OSVCLSA-2025-1757376737 No score
TuxCare security update for pyjwt (1 CVE)
TuxCare rebuilt pyjwt to address 1 CVE. Fixed in 2.10.1.post1+tuxcare.
- Record
CLSA-2025-1757376737- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
pyjwtTuxCare:PyPI |
2.8.0 up to 2.8.0.post1+tuxcare | 2.8.0.post1+tuxcare |
pyjwtTuxCare:PyPI |
2.10.1 up to 2.10.1.post1+tuxcare | 2.10.1.post1+tuxcare |
pyjwtDebian:12 |
All versions, plus listed versions 2.10.1-12.10.1-22.10.1-32.10.1-42.11.0-2 Show 5 moreShow less2.12.1-12.13.0-12.6.0-12.6.0-1+deb12u12.7.0-1 |
None known |
pyjwtDebian:13 |
All versions, plus listed versions 2.10.1-22.10.1-2+deb13u12.10.1-32.10.1-42.11.0-22.12.1-12.13.0-1 |
None known |
pyjwtDebian:14 |
before 2.11.0-2, plus listed versions 2.10.1-22.10.1-32.10.1-4 |
2.11.0-2 |
pyjwtPyPI |
through 2.10.1, plus listed versions 0.1.10.1.20.1.30.1.40.1.5 Show 45 moreShow less0.1.60.1.70.1.80.1.90.2.00.2.10.2.30.3.00.3.10.3.20.4.00.4.10.4.20.4.31.0.01.0.11.1.01.3.01.4.01.4.11.4.21.5.01.5.11.5.21.5.31.6.01.6.11.6.31.6.41.7.01.7.12.0.02.0.0a12.0.0a22.0.12.1.02.10.02.2.02.3.02.4.02.5.02.6.02.7.02.8.02.9.0 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-45768 is a high vulnerability (CVSS 7.0) in Pyjwt Project Pyjwt, published July 31, 2025. Its validity is disputed. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 9th percentile. Fixed in pyjwt 2.8.0.post1+tuxcare.
References
github.com/jpadilla
gist.github.com/ZupeiNie/6f65e564f2067b876321d3dfdbb76569
nvd.nist.gov/vuln/detail/CVE-2025-45768
security-tracker.debian.org/tracker/CVE-2025-45768
ubuntu.com/security/CVE-2025-45768
cve.org/CVERecord?id=CVE-2025-45768